Term
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Definition
| n. a mortise cylinder of 3/4" diameter |
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Term
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Definition
| v. to destructively attack a safe by removing or partially removing the sheet metal of the door front or the outer surface of one of the other sides |
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Term
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Definition
| n. a small lens or opening which allows a limited view through a door |
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Term
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Definition
| n. a combination wheel with multiple holes within its diameter for mounting the fly |
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Term
| personal identification number |
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Definition
| n. a series of numbers and/or letters associated with a particular individual as a means of identification |
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Term
| photo-electric detection device |
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Definition
| n. a detection device actuated by abrupt changes in light |
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Term
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Definition
| n. a lock designed to secure the keyboard cover to the lower section of a piano frame |
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Term
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Definition
| n. 1. a tool or instrument, other than the specifically designed key, made for the purpose of manipulating tumblers in a lock or cylinder into the locked or unlocked position through the keyway, without obvious damage. 2. v. to manipulate tumblers in a keyed lock mechanism through the keyway, without obvious damage, by means other than the specifically designed key |
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Term
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Definition
| n. a machine designed to impact all of the bottom pins of a pin tumbler lock at exactly the same time and thereby bounce the top pins beyond the shear line |
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Term
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Definition
| n. a type of manipulation key, cut or modified to operate a lock or cylinder |
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Term
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Definition
| n. 1. a lock mounted in a vertical support member, typically of a vehicle or furniture, 2. (obsolete) a lock mounted on a vehicle door |
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Term
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Definition
| v. to install pin tumblers into a cylinder and/or cylinder plug, see also "pin tumbler" |
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Term
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Definition
| abb. personal identification number |
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Term
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Definition
| n. the corresponding hole drilled into the cylinder shell and/or plug to accept the pin(s) and spring |
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Term
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Definition
| adj. a combination lock that requires manually relocating the fly(s) to change a combination |
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Term
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Definition
| n. a type of keying kit for a pin tumbler mechanism |
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Term
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Definition
| n. all the tumblers in a given pin chamber, see also"pin stack height" |
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Term
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Definition
| n. the measurement of a pin stack, often expressed in units of the lock manufacturer’s increment or as an actual dimension |
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Term
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Definition
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Term
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Definition
| n. usually a cylindrical shaped tumbler. Three types are normally used: bottom pin, master pin and top pin. |
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Term
| pin tumbler push key (padlock) |
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Definition
| n. a type of padlock that requires pushing the key inward to disengage the shackle after insertion of the key creates a shear line |
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Term
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Definition
| n. pl. a tool used in handling tumblers and springs |
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Term
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Definition
| n. a holding fixture which assists in the loading of tumblers into a cylinder or cylinder plug |
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Term
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Definition
| n. a numerical diagram which indicates the sizes and order of installation of the various pins into a cylinder. The sizes are usually indicated by a manufacturer's reference number which equals the quantity of increments a tumbler represents. |
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Term
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Definition
| n. a file with a cross section that resembles a pip, or apple seed |
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Term
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Definition
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Term
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Definition
| n. lock trim which serves as a pull and is generally perpendicular to the door at its top mount, then bends and tapers to its bottom mount |
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Term
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Definition
| n. a hinge with a fixed pin and knuckle, forming a single joint |
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Term
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Definition
| n. tool that uses electricity and air pressure to cut various metals |
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Term
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Definition
| n. the part of a cylinder which contains the keyway, with tumbler chambers usually corresponding to those in the cylinder shell |
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Term
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Definition
| n. a tool used to allow removal of the cylinder plug while retaining the top pins, springs, and/or other components within the shell |
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Term
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Definition
| n. a holding fixture which assists in the loading of tumblers into a cylinder plug |
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Term
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Definition
| n. the cylinder component which secures the plug in the shell |
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Term
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Definition
| n. a tool which rotates a picked cylinder plug so quickly in the desired direction that it cannot lock during its rotation |
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Term
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Definition
| v. to cut a key with a single motion for each cut position, bringing the cutter and key together to alter the height of the blade |
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Term
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Definition
| n. any of various spring-loaded locks or cylinders which move in or out to accomplish a locking function |
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Term
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Definition
| n. a door which opens by sliding into a hollow wall |
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Term
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Definition
| n. an electric strike which does not require a face cut in the door jam, yet allows operation of the boltwork of the door lock, often by manipulating the locking and deadlatching portions via end pressure |
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Term
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Definition
| n. a hole designed to allow tools to poke into or through it, generally for accessing a retainer |
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Term
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Definition
| n. a hand operated lever which is used to apply force to close and seal a fire and/or explosion resistant safe or vault door so the bolts may be thrown |
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Term
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Definition
| n. a hand operated wheel which is used to apply force to close and seal a fire and/or explosion resistant safe or vault door so the bolts may be thrown |
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Term
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Definition
| n. a lock picking key that must be pulled from the lock one space position between impacts |
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Term
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Definition
| n.a telephone communication device, normally activated by an alarm, that uses electrical pulses to dial a predetermined number |
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Term
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Definition
| n.a spindle that is shouldered or tapered inward to prevent it from being driven into or through the mechanism |
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Term
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Definition
| n. a generally flat and commonly rectangular trim mounted for hand contact to push open a door |
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Term
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Definition
| n. a lock picking key that centers itself after each impact |
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Term
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Definition
| n. a plunger lock usually used on vending machines to prevent operation of a T-handle |
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Term
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Definition
| n. the condition of a door being secured such that manual operation of the latch or bolt mechanism must occur before it may be opened |
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Term
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Definition
| n. the condition brought about when a key cut which is too high forces its tumbler into the locking position. This type of locking does not rely on gravity or spring pressure. |
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Term
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Definition
| n. a method of master keying typical of certain binary type disc tumbler key-in-knob looks and of magnetic and dimple key cylinders. Of all possible tumbler positions within a cylinder, only a limited number contain active tumblers. The locations of these active tumblers are rotated among all possible positions to generate key changes. Higher level keys must have more cuts or magnets than lower level keys. |
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Term
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Definition
| n. the portion of a bit key between the tip and the shoulder, to which the bit(s) is attached |
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Term
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Definition
| n. 1. a part of a lock that serves as a guide for a drilled key and prevents entry of a non-drilled key, 2. the center bearing surface of a mechanical combination lock that the wheels rotate on |
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Term
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Definition
| n. electrically or electro-pneumatically operated locks |
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Term
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Definition
| n. a battery with a special configuration designed for use in a specific product |
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Term
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Definition
| n. pl. the total number of usable different combinations available for a specific cylinder or lock mechanism |
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Term
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Definition
| n. a lock designed to be installed into a cutout in the edge of a door. The lock body and most or all of its trim need no further assembly other than securing it to the door. |
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Term
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Definition
| n. 1. the location and dimensions of the cut out(s) and reinforcing in a door or frame required to accept a piece of hardware. 2. v. to prepare a door or frame for installation of a lock or other hardware |
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Term
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Definition
| n. a type of guard key for a safe deposit box lock with only one keyway. It must be turned once and withdrawn before the renter's key will unlock the unit. |
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Term
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Definition
| n. a key, which operates the ignition, lock on a vehicle. It may or may not also operate some or all the other locks on the vehicle. |
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Term
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Definition
| n. a key which operates an SKD cylinder, see also "emergency key" |
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Term
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Definition
| n. a cylinder with a usually uniform cross section, which slides into place and usually is held by a mounting screw. It is typically used in mortise locks of non-U.S. manufacture. |
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Term
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Definition
| n. a stationary pin placed in the plug of a pin tumbler lock to act as a ward to produce a keyway |
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Term
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Definition
| v. to select possible key bittings, usually in numerical order, from the key bitting array |
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Term
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Definition
| n. a logical sequence of selecting possible key bittings, usually in numerical order from the key bitting array. 2. a system of generating keys with different cut combinations for unknown positions, when a partial bitting is known |
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Term
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Definition
| n. a list of combinations to consider when fitting keys to a lock with only a partial bitting known, typically arranged to minimize the number of key blanks needed |
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Term
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Definition
| n. a listing of the key bitting possibilities available in one bitting position as displayed in a column of the key bitting array |
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Term
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Definition
| n. a bitting list of change keys and master keys arranged in sequence of progression |
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Term
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Definition
| n. any bitting position which is progressed rather than held constant |
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Term
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Definition
| adj. of or pertaining to a keyway and key section assigned exclusively to one end user by the lock manufacturer. It may also be protected by law from duplication. |
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Term
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Definition
| n. a physical key that affords legal remedies against duplication |
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Term
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Definition
| abb. "Proficiency Registration Program"; a locksmith certification program administered by ALOA |
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Term
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Definition
| n. any parcel of land essentially open to the outside air and permanently appropriated to the public for public use and having a clear width and height of not less than 10 ft. |
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Term
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Definition
| n. trim for gripping to apply pulling force to a door |
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Term
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Definition
| n. a generally flat and commonly rectangular trim with an attached handle for pulling open a door |
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Term
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Definition
| n. a type of keeper which is shaped to operate with the radiused contour of a Pullman latch |
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Term
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Definition
| n. a type of latch which pivots like a hinge and whose locking side is radiused |
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Term
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Definition
| n. a telephone communication device, normally activated by an alarm, that uses electrical pulses to dial a predetermined number |
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Term
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Definition
| n. a spindle that is shouldered or tapered inward to prevent it from being driven into or through the mechanism |
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Term
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Definition
| n. a generally flat and commonly rectangular trim mounted for hand contact to push open a door |
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Term
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Definition
| n. a self contained lock with controls that must be pressed in a specific pattern or sequence to open the lock |
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Term
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Definition
| n. a padlock whose shackle is released by full insertion of the key into the lock |
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Term
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Definition
| n. a dutch door lock with a bolt that is ¼ of a circle |
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Term
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Definition
| n. a door having and edge contoured with an offset creating two surfaces which form an overlap at the abutting edge |
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Term
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Definition
| n. a lock with a face or front which is specially formed to use in a rabbeted door |
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Term
| radio frequency identification |
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Definition
| n. an identification technology using short range radio frequency transmission |
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Term
|
Definition
| n. the bottom of a key blade which has been radiused to conform to the curvature of the cylinder plug it is designed to enter |
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Term
|
Definition
| n. the horizontal construction member located on the top and bottom of a door |
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Term
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Definition
| n. a picking technique that attempts to use quick withdrawal of the pick to set the tumblers |
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Term
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Definition
| n. any undesirable process used to master key which uses unrelated keys to create a system |
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Term
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Definition
| n. 1. an arrangement of cut depths in a KBA without numerical order, 2. an arrangement or list, such as a bitting list, in which the information is sorted in no easily discernible pattern |
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Term
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Definition
| v. 1. to unlock a plug from its shell by striking sharp blows to the spring side of the cylinder while applying tension to the plug 2. to unlock a padlock shackle from its case by striking sharp blows to the sides in order to disengage the locking dogs |
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Term
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Definition
| n. any lock which incorporates a ratchet device allowing locking in more than one position |
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Term
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Definition
| adj. of or pertaining to a product's compliance with one or more recognized standards such as UL. |
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Term
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Definition
| v. to decode a lock combination visually without disassembly of the lock or cylinder |
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Term
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Definition
| n. a key which allows access to the sales and/or customer data on certain types of cash control equipment (e.g., cash register) |
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Term
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Definition
| n. a device used in an access control system to interrogate an electronic, magnetic or optical type of credential |
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Term
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Definition
| adj. of or pertaining to a combination lock with the wheel pack located between the dial and the drive cam |
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Term
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Definition
| v. to change the combination of a lock, cylinder or key |
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Term
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Definition
| n. a safe whose primary purpose is to preserve paper documents against fire |
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Term
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Definition
| v. to rekey by installing a different core |
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Term
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Definition
| n. a secondary release switch for an egress device to allow unlocking in case of a malfunction of the primary release switch |
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Term
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Definition
| n. usually a numerical designation for a tumbler position within a lock or a cut position on a key, typically counted from the stop |
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Term
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Definition
| n. the reference point on the key blade from which some manufacturers index the bitting depths |
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Term
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Definition
| n. 1. a reference number, typically assigned by the lock manufacturer to an entire master key system 2. a blind code assigned by some lock manufacturers to higher level keys in a master key system |
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Term
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Definition
| v. to change the existing combination of a cylinder or lock |
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Term
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Definition
| n. the part of a safe relocking device which causes the mechanism to activate |
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Term
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Definition
| n. any device intended to prevent normal opening of a safe as a result of an attack, two types are typically used, internal and external |
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Term
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Definition
| n. a mechanism for permitting the unlocking of any lock device at a distance from the device |
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Term
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Definition
| n. one whose design limits its installation to one or more specific types of housing or shell from a given manufacturer |
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Term
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Definition
| n. a cylinder which can be removed from a locking device by a key and/or tool |
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Term
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Definition
| n. a combination lock actuator that may be taken from the lock when not in use |
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Term
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Definition
| adj. referring to a type of padlock which is unlocked by removing the shackle from the case |
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Term
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Definition
| n. the part of a two-piece key which is used to remove its counterpart from a keyway, see also "control key" #1 & #3, see also "construction breakout key" |
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Term
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Definition
| n. a key which must be used together with a guard key, prep key or electronic release to unlock a safe deposit lock. It is usually different for every unit within an installation. |
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Term
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Definition
| v. to replace pin tumblers, with or without changing the existing combination |
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Term
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Definition
| n. in an electronic lock, a factory-set or user-set code or combination that will restore all factory default settings except the current reset code and the audit trail |
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Term
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Definition
| n. 1. a key used to set some types of cylinders to a new combination. Many of these cylinders require the additional use of tools and/or the new operating key to establish the new combination. 2. a key which allows the tabulations on various types of cash control equipment (e.g., cash registers) to be cleared from the records of the equipment |
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Term
|
Definition
| n. a tumbler which can have its reference position altered by reorientation within the cylinder without disassembly |
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Term
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Definition
| n. the encapsulated resistor with exposed contacts installed in a key, such as that for VATS |
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Term
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Definition
| n. a device designed with a shackle that restricts the movement or actions of a person, such as handcuffs |
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Term
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Definition
| adj. of or pertaining to a keyway and corresponding key blank whose sale and/or distribution is limited by the lock manufacturer in order to reduce unauthorized key proliferation |
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Term
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Definition
| n. a component which is clipped, staked, or driven in place to maintain the working relationship of other components |
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Term
|
Definition
| n. 1. a component seated on a spring, in the end of a plug, that interacts with a retainer cap to keep it in place. 2. Any non-threaded rod that maintains the relationship of two or more different parts. |
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Term
|
Definition
| n. a lever handle designed to replace the knob of a lockset |
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Term
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Definition
| n. 1. the extension of a cam which bends back towards the mounting surface and the measurement of the remaining distance from the mounting surface to the end of the cam, 2. the distance from a door face to the tip end of a lever handle |
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Term
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Definition
| n. the distance measured from the trim surface of the jamb to the leading face of the door on the stop side when closed |
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Term
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Definition
| adj. pertaining to the bevel of a door which swings towards the outside |
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Term
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Definition
| n. a keyway shape that is a mirror image of another |
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Term
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Definition
| n. a strike used for rim mounted hardware used on reverse bevel doors |
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Term
|
Definition
| adj. pertaining to hardware that is manufactured in a way, which allows field assembly or adjustment to accommodate installation on doors with different orientations |
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Term
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Definition
| n. a usually symmetrical key which may be inserted either way up to operate a lock |
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Term
|
Definition
|
|
Term
|
Definition
| abb. radio frequency identification |
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Term
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Definition
|
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Term
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Definition
| abb. (right hand reverse bevel) |
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Term
|
Definition
| abb. right hand vertical down |
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Term
|
Definition
| abb. right hand vertical up |
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Term
|
Definition
| adj. pertaining to an inward swinging door with hinges on the right side, using the outside of the door as reference |
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|
Term
| right hand reverse bevel (door) |
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Definition
| adj. pertaining to a right handed door which swings outward |
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Term
|
Definition
| n. the farthest right bitting surface of a sidewinder key, as the wider surface of the blade is viewed with the bow of the key nearest the observer |
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Term
|
Definition
| n. a cylinder typically used with surface applied locks and attached with a back plate and machine screws. It has a tailpiece to actuate the lock mechanism |
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Term
|
Definition
| n. an exit device mounted on the door surface |
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Term
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Definition
| n. a lock or latch typically mounted on the surface of a door or drawer |
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|
Term
| rim vertical rod exit device |
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Definition
| n. a vertical rod exit device mounted on the door surface |
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Term
|
Definition
| n. a key attached to a ring to be worn on the finger |
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Term
|
Definition
| abb. The title "Registered Locksmith" as awarded by ALOA |
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Term
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Definition
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|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| n. the dimension from the bottom of a cut on a key to the bottom of the blade |
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Term
|
Definition
| n. a usually circular escutcheon |
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Term
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Definition
| n. a key machine cutter with very fine teeth which are formed by stamping, such as a file |
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Term
|
Definition
| n. a circular tumbler with one or more gates. Rotation of the proper key aligns the tumbler gates at a sidebar, fence or shackle slot. |
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Term
|
Definition
| n. one or more cut(s) in a key of any level which remain constant throughout all levels and are identical to the top master key cuts in their corresponding positions. The positions where the top master key cuts are held constant may be moved, always in a logical sequence |
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Term
|
Definition
| n. a method used to progress key bittings in a master key system, wherein at least one cut in each key is identical to the corresponding cut in the top master key. The identical cut(s) is moved to different locations in a logical sequence until each possible planned position has been used. |
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Term
|
Definition
| adj. pertaining to a rim cabinet lock whose mounting flanges and case form the general shape of a circle when viewed from the back |
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Term
|
Definition
| adj. of or pertaining to a latch mounting plate with radiused corners |
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Term
|
Definition
| n. a lock front or face plate that is radiused to match the edge of the door |
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Term
|
Definition
| n. the one-pin master key for all combinations listed on the same line across a page in the standard progression format |
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Term
|
Definition
| std. an Electronics Industry Association (EIA) standard for serial multipoint communications commonly used in online access control systems for distances up to 4000 feet |
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Term
|
Definition
| abb. the title "Registered Safe Technician" as awarded by NSO |
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Term
|
Definition
|
|
Term
|
Definition
| n. a substantial, secure container with varying degrees of security and/or fire resistance, used to store valuables against fire or theft |
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Term
|
Definition
| n. a typically key accessed container that requires dual key operation, usually located inside a vault |
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Term
|
Definition
| adj. an operational characteristic of a lock which requires two separate keys working in tandem to open the lock |
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Term
|
Definition
| n. a lock that typically requires two separate keys to access a container |
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Term
|
Definition
| n. that portion of a safe used to gain access to the contents of the safe in a normal day to day manner |
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Term
|
Definition
| n. an access control area with doors or gates secured by interlocks such that only one may be opened at a time |
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Term
|
Definition
|
|
Term
|
Definition
| abb. Safe and Vault Technicians Association |
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|
Term
|
Definition
| abb. Southern Building Code Congress International |
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Term
|
Definition
| n. a thin piece of metal which is usually crimped or spun onto the front of a cylinder. It determines the cylinder's finish and may also serve as the plug retainer. |
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Term
|
Definition
| n. a cast case padlock with an elliptical cross section. The locking mechanism is a set of rotating disc tumblers, which engage notches in the cast shackle and may be rotated by the angled cuts cast on the key. |
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Term
|
Definition
| n. an automotive diagnostic tool used to read fault codes, and in some cases configure or program various modules or keys |
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Term
|
Definition
| n. a lock designed for the thin stiles typically found on screen and storm doors |
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Term
|
Definition
| n. a perforated tumbler that may have its combination set by placement of a screw in one of the perforations |
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Term
|
Definition
| n. a mortise lock knob assembly secured to the spindle without screws |
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Term
|
Definition
| n. a mortise lock rose installed without screws |
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Term
|
Definition
|
|
Term
|
Definition
| n. a single use device intended to give recognizable evidence to the physical opening or entry of a door, container, or space |
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|
Term
| second generation duplicate |
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Definition
| n. a key reproduced from a first generation duplicate |
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Term
|
Definition
| n. a key which operates certain locks on a vehicle, but not the ignition lock |
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|
Term
|
Definition
| n. a small keyless rim latch, which when properly installed, is operated by pressing a concealed actuator |
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Term
|
Definition
| n. a design that uses two or more escutcheons on the same side of a door for a single lock |
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Term
|
Definition
| n. 1. a protective cylinder collar, see also "cylinder guard" |
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|
Term
|
Definition
| n. a key section and keyway design that incorporates two non-curved planes of the key blade intersecting at an angle between 1 and 89 degrees |
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|
Term
|
Definition
| n. a plug follower sliced into sections which are introduced into the cylinder shell one at a time. It is typically used with profile cylinders. |
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Term
|
Definition
| n. a key system in which every key has the capability of being a master key. It is normally used for applications requiring a limited number of keys and extensive cross keying. |
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|
Term
|
Definition
| n. an unassociated master key which can be made to operate any specific lock(s) in the entire system in addition to the regular master key(s) and/or change key(s) for the cylinder without creating key interchange |
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Term
|
Definition
| adj. pertaining to doors or covers which have a continuous force applied in the closing direction |
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|
Term
| semi-automatic key machine |
|
Definition
| n. a machine capable of duplicating keys with limited manual operations |
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|
Term
|
Definition
| n. the order in which bitting positions are progressed to obtain change key combinations |
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|
Term
|
Definition
| n. a type of disc tumbler used in certain binary type disc tumbler key-in-knob locks. Its presence requires that no cut be made in that position on the operating key(s) |
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|
Term
|
Definition
| n. a fence with "V" shaped notches on a contact surface to inhibit manipulation |
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Term
|
Definition
| n. 1. a disk tumbler with "V" shaped notches in its sides that do not allow operation, 2. a lever tumbler which has "V" shaped notches in the contact end near the gate, 3. a pin tumbler with "V" shaped grooves around its circumference, 4. a combination wheel with "V" shaped notches along its outside diameter |
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Term
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Definition
| n. in an electronic lock, a factory set or user set code or combination that will open the lock one time |
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Term
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Definition
| n. 1. an aperture aligned with each chamber, providing a path for the ejector pin to drive the entire pin stack from an IC, 2. a hole in a cylinder shell intended to provide access for rekeying without disassembly of the cylinder |
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Term
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Definition
| n. the back cover of a safe door which must be opened or removed to allow access for repairs |
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Term
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Definition
| n. any keyway whose shape has been configured to receive protection under trademark or servicemark law |
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Term
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Definition
| n. a screw used to fasten a component in a fixed position relative to another component |
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Term
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Definition
| n. a key used to calibrate some types of key machines |
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Term
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Definition
| n. a type of loading tool shaped like a plug follower. It contains pin chambers and is used with a shove knife to load springs and top pins into a cylinder shell. |
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Term
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Definition
| n. a process wherein key bittings are obtained by using the cut possibilities in seven columns of the key bitting array |
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Term
|
Definition
| n. a master key for all combinations obtained by progressing seven bitting positions |
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Term
|
Definition
| n. a nut and bolt set used to through bolt, with a closed nut basically flush with the mounting surface creating the appearance of a carriage bolt |
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Term
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Definition
| abb. Small Format Interchangeable Core |
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Term
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Definition
| n. 1. the part of a padlock, which passes through an opening in an object or fits around an object and is ultimately locked into the case 2. the portion of a restraint which fits around the wrist, ankle, neck, waist or thumb |
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Term
|
Definition
| n. a pin which keeps an unlocked shackle heel in the case |
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Term
|
Definition
| n. a spring which pushes the shackle into the open position when the padlock is unlocked |
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Term
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Definition
| n. 1 the part of a bit key between the bow and the stop; or, if there is no shoulder stop, the part between the bow and the near side of the bit, 2. a smaller diameter portion of a knob that is positioned between the larger portion of the knob and the rose or the door surface |
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Term
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Definition
| abb. Security Hardware Distributors Association (formerly NLSA) |
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Term
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Definition
| n. a threaded fastener which is designed to have the head break off when the correct torque is reached |
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Term
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Definition
| n. a location in a cylinder at which specific tumbler surfaces must be aligned, removing obstruction(s) which prevented the plug from moving |
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Term
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Definition
| n. the part of the cylinder which surrounds the plug and which usually contains tumbler chambers corresponding to those in the plug |
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Term
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Definition
| 1. n. a thin piece of material used to unlock the cylinder plug from the shell by separating the pin tumblers at the shear line, one at a time 2. v. to unlock a cylinder plug from its shell by using a shim |
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Term
|
Definition
| n. a pin or block used to prevent relockers from accidentally firing during shipment of a safe or vault door |
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Term
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Definition
| n. 1. a bracket which attaches the arm of a door closer to the door or frame 2. the surface mounted case and guide components of an exit device 3. a mortise lock component which transfers pivoting motion of a thumbpiece to linear movement of the latch bolt |
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Term
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Definition
| n. a projection from a key that can be any key stop other than a tip stop, see also "bow stop". Some shoulders on keys serve no functional purpose. |
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Term
|
Definition
| n. one that serves as a stop to position the key in a lock or cylinder |
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Term
|
Definition
| n. a pin chamber with an internal shelf that limits travel of a complementarily shaped bottom pin |
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Term
|
Definition
| n. a pin tumbler shaped as to prevent it from fully entering an unoccupied keyway or limit its travel within a pin chamber |
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Term
|
Definition
| n. in a safe lock, a spindle with a larger uniform diameter toward outside to prevent punching the spindle into the container |
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Term
|
Definition
| n. a tool used with a set-up plug which pushes the springs and pin tumblers into the cylinder shell |
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Term
|
Definition
| n. normally a ratchet lock or plunger lock used on bypassing doors |
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Term
|
Definition
| n. a shackle which is protected from cutting or tampering by design or by the use of secondary shields |
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Term
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Definition
| n. a maintained contact switch, often key operated |
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Term
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Definition
| n. usually used in hotel keying systems, a key which will make the lock inoperative to all other keys in the system except the emergency master key, display key, and some types of shut out keys |
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Term
|
Definition
| n. the state of a hotel function lockset which prevents operation by all keys except the emergency master key, display key, and some types of shut out keys |
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Term
|
Definition
| n. 1. a spring-loaded device which closes upon the removal of a cylinder tailpiece, protecting a locking device from being manipulated, 2. a spring-loaded device which covers a cylinder keyway when the key is not in it, also see appendix |
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Term
|
Definition
| n. a spring which returns the shutter on a lock to the closed position |
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|
Term
|
Definition
| n. a key in the form of a sickle inserted through a hole in a door to actuate a bolt on the opposite side of the door |
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Term
|
Definition
| n. any non-automotive key with bitting(s) milled into, but not through, one or both of the widest sides of the key blade |
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|
Term
|
Definition
| n. a key machine cutting wheel with a squared edge that can cut on the side as well as the periphery of the wheel |
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Term
|
Definition
| n. a portion of a multi-part pin tumbler lock plug used to complete the shear line fully around the plug |
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Term
|
Definition
| n. a ward which prevents entry of an incorrect key into a non-cylinder lock |
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Term
|
Definition
| n. a cut made into a key to bypass a side ward |
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Term
|
Definition
| n. a cylinder locking member mounted longitudinally in a plug, which engages multiple tumblers |
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Term
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Definition
| n. a lock mechanism which incorporates a sidebar |
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|
Term
|
Definition
| n. a master keying style of pin tumbler locks which uses the keying capabilities of the secondary security technology to effect master keyed locking. Obtaining a single key in the system does not reveal the same secondary combination of all keys. |
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|
Term
|
Definition
| n. an automotive key whose bitting surface(s) are serpentine grooves, generally cut into the wider surface of the key blade |
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Term
|
Definition
| adj. describes an alarm that annunciates detection to a remote location instead of a local location |
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Term
|
Definition
| n. a non-deadlocking latch |
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|
Term
|
Definition
| n. a single independent key section which cannot be used in a multiplex key system |
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Term
|
Definition
| n. a feature which allows retraction of both the deadbolt and latchbolt in the same operation |
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|
Term
|
Definition
| n. a door which swings from the latched position in only one direction |
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|
Term
| single-acting lever tumbler |
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Definition
| n. a lever tumbler which must be moved a minimum distance to allow travel of a bolt, but cannot be moved so far as to restrict travel of the bolt |
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Term
|
Definition
| adj. pertaining to a lock with key operation from only one side |
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|
Term
|
Definition
| adj. the shape of a cutout for a lock, circular except for a flat section on one side |
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|
Term
|
Definition
| n. an individual key section which can be used in a multiplex key system |
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|
Term
|
Definition
| n. a progression using a one increment difference between bittings of a given position |
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|
Term
|
Definition
| n. a process wherein key bittings are obtained by using the cut possibilities in six columns of the key bitting array |
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|
Term
|
Definition
| n. a master key for all combinations obtained by progressing six bitting positions |
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|
Term
|
Definition
| abb. standard key coding system |
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|
Term
|
Definition
| sym. symbol for "single keyed", normally followed by a numerical designation in the standard key coding system; e.g., SKD1, SKD2, etc. It indicates that a cylinder or lock is not master keyed but is part of the keying system |
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|
Term
|
Definition
| n. any non-cylinder key whose bit, blade, and/or post is cut away enough to allow it to enter and turn in locks with different ward arrangements |
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|
Term
|
Definition
| n. a tool made from a rod with a handle, a sliding weight on the rod, and a means of attaching to a part to force its movement relative to other parts |
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|
Term
|
Definition
| n. a tumbler which is normally flat, has a gate and moves with a linear or lateral motion instead of pivoting like a lever tumbler |
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|
Term
|
Definition
| n. a narrow strip of spring steel used to bypass the cylinder and unlock vehicle doors |
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|
Term
|
Definition
| n. a cable or layered length of fabric, (usually the latter), with woven loops in both ends, used to lift a safe or vault door with a boom arm lift or forklift. |
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Term
|
Definition
| n. a key machine cutter designed to make cuts with a rectangular shape |
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|
Term
| Small Format Interchangeable Core |
|
Definition
| n. an IC that replicates the functionality and design popularized by Best |
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|
Term
|
Definition
| n. a card conforming to ISO specification 7810 and 7816 which one or more integrated circuits with contacts allowing interface to external equipment |
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Term
|
Definition
|
|
Term
|
Definition
| abb. Safe Manufacturers' National Association |
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|
Term
|
Definition
| adj. referring to an area or opening protected against the penetration of smoke |
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Term
|
Definition
| v. the action of holding a key or blank over an open flame so that it collects carbon |
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|
Term
|
Definition
| n. 1. a separate bow which can be affixed to a smaller key bow, 2. a bow which retrofits transponder technology to conventional keys for use in access control systems |
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|
Term
|
Definition
| n. data used by software to provide or deny access. See also 'hardware key' |
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|
Term
|
Definition
| abb. Sequence of Progression |
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|
Term
|
Definition
| n. the dimensions from the stop to the center of the first cut and/or to the centers of successive cuts |
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|
Term
|
Definition
| n. a tool for installing, removing or adjusting a threaded part. The tool is designed to engage one or more holes or depressions which are peripheral or not on-center to the part axis. |
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|
Term
|
Definition
| n. a lock designed to prevent removal of a vehicle's spare tire |
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|
Term
| special application cylinder |
|
Definition
| n. any cylinder other than a mortise, rim, key-in-knob or profile cylinder |
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|
Term
|
Definition
| n. a rotary mechanism serving to simultaneously control the operation of multiple bolts with a radial arrangement |
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|
Term
|
Definition
| n. a lock that utilizes a special cam as an integral part of the lock to extend or retract the multiple bolts of the lock simultaneously |
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|
Term
|
Definition
| n. a component which transfers rotary motion from outside a lock or latch case to an inner mechanism |
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|
Term
|
Definition
| n. a spiral retaining ring which has a flat coiled structure to hold parts on a post |
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|
Term
|
Definition
| n. 1. a groove in a combination lock spindle designed to accept a spline key, 2. the cavity(s) in the shell of a wafer tumbler lock which allows extension of the tumblers to a locked position |
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|
Term
|
Definition
| n. a device inserted to position the drive cam relative to the spindle in a combination lock |
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|
Term
|
Definition
| n. a notch in a combination lock drive cam designed to accept a spline key |
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|
Term
|
Definition
| n. an astragal constructed of two pieces; each piece being mounted on either door of the pair, and abutting to create a seal |
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|
Term
|
Definition
| adj. two separate bolts housed in the same opening in a face of a lock, each operated independently from opposite sides of the door |
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|
Term
|
Definition
| adj. of or pertaining to a lockset whose finish is different on each side of the door |
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|
Term
|
Definition
| n. a two-piece hub which can allow motion from one side of a swivel spindle while preventing it from the other side |
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|
Term
|
Definition
| n. a method of master keying a pin tumbler cylinder by installing master pins into one or more pin chambers |
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|
Term
|
Definition
| n. a multi-piece spindle which allows a knob or lever to be installed on only one side of a door |
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|
Term
|
Definition
| n. Disc tumblers which are approximately half the width of a full tumbler used in the same lock, and are paired adjacent to one another in the same cut position. Typically used in automotive locks. |
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|
Term
|
Definition
| n. a pin with a uniform smaller diameter except at its ends. Typically a top pin used to augment pick resistance but also observed as bottom and master pins. |
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|
Term
|
Definition
| n. a device for sealing one or more pin chambers |
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|
Term
|
Definition
| n. a hinge incorporating a mechanism to apply automatic closing force |
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|
Term
|
Definition
| n. a latch operated under spring pressure, having no deadlatching feature |
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|
Term
|
Definition
| n. the point at which a spring is anchored, located or attached and at which (from which) it exerts force |
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|
Term
|
Definition
| n. the part of a disc tumbler that serves as a spring seat |
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|
Term
|
Definition
| n. a combination lock component complemented by a spy proof dial ring to limit the viewable numbers' being dialed |
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|
Term
|
Definition
| n. a combination lock component that limits the viewable numbers on a compatible dial |
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|
Term
|
Definition
| adj. pertaining to a rim cabinet lock whose mounting flanges and case form the general shape of a square |
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|
Term
|
Definition
| n. a latch with a face whose sides meet at 90 degree angles |
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|
Term
|
Definition
| n. a self contained electronic lock device |
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|
Term
| standard key coding system |
|
Definition
| n. an industry standard and uniform method of designating all keys and/or cylinders in a master key system. The designation automatically indicates the exact function and keying level of each key and/or cylinder in the system, usually without further explanation. |
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|
Term
| standard progression format |
|
Definition
| n. a systematic method of listing and relating all change key combinations to all master key combinations in a master key system. The listing is divided into segments known as blocks, horizontal groups, vertical groups, rows, and pages, for levels of control. |
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|
Term
|
Definition
| n. a set of specifications relating to materials, finishes, construction, resistance, or strength that typically establish a minimum acceptable value |
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|
Term
|
Definition
| n. the portion of a hasp assembly with the hole or opening to receive a padlock |
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|
Term
|
Definition
| n. a device, usually electro-mechanical, which can provide information to a system as to whether the protected opening is open or closed, or position of a latch |
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|
Term
|
Definition
| n. a spool or mushroom pin which has had a portion of its end machined to a smaller diameter than the opposite end. It is typically used as a top pin to improve pick resistance by some manufacturers of high security cylinders. |
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|
Term
|
Definition
| n. a special (usually disc) tumbler used in master keying. It has multiple bearing surfaces for blades of different key sections. |
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|
Term
|
Definition
| n. the vertical construction member located on either edge of a door |
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|
Term
|
Definition
| n. the projecting portion of a doorframe upon which the door rests when closed |
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|
Term
|
Definition
| n. the part of a key from which all cuts are indexed and which determines how far the key enters the keyway |
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|
Term
|
Definition
| n. the part of a key machine that aligns a key blank, a pattern key, or both, so that the blank may be cut correctly |
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|
Term
|
Definition
| n. a button or toggle mechanism which prevents operation of a knob, lever or thumbpiece in a non-bored lock |
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|
Term
|
Definition
| n. a one or two-piece stop works activator |
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|
Term
|
Definition
| n. a lockset function in which: a) a deadbolt is operated by key from either side and a latch is operated by working trim from either side; or b) a deadlocking latch can be withdrawn by working trim from either side except when both sides are locked by key from either side. |
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|
Term
|
Definition
| abb. "Safe Technicians Proficiency Registration Program"; the certification program of SAVTA as administered by ALOA |
|
|
Term
|
Definition
| n. a bypass tool for manipulating a spring bolt directly behind the cylinder plug |
|
|
Term
|
Definition
| n. a bolt receptacle typically mounted in the door jamb or the floor |
|
|
Term
|
Definition
| n. a tool used to mark the jamb, relative to the bolt of the lock, prior to strike installation |
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|
Term
|
Definition
| n. a metal plate mounted behind a strike, using long screws to secure it to the door frame |
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|
Term
|
Definition
| n. a means of shaping a key bitting by tooling which presses the key in such a way as to leave an indentation on one bitted surface or side of the key, and a protrusion on the other |
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|
Term
|
Definition
| n. the stationary fence(s) in a lever lock |
|
|
Term
|
Definition
| n. the master key level immediately below the master key in a system of six or more levels of keying |
|
|
Term
|
Definition
| n. one of the lower level control keys available when master keying the control function of an interchangeable core or removable core |
|
|
Term
|
Definition
| n. a code whose individual characters are converted to individual key cuts or combination numbers by means of a reference table |
|
|
Term
|
Definition
| n. a door latch consisting of a horizontal bar which moves vertically to unlatch on the inside, actuated by a thumb piece on the outside |
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|
Term
|
Definition
| n. a device which provides visual indication of tampering and includes the ability to be connected into electronic security systems |
|
|
Term
|
Definition
| n. a handle or grip attached to the surface of a door or drawer |
|
|
Term
|
Definition
| n. the use of entry or bypass techniques that cannot be detected via disassembly and detailed inspection of lock components |
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|
Term
|
Definition
| n. the radiused part of a lever tumbler with which the key makes contact |
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|
Term
|
Definition
| n. the speed at which a closer moves a door from open to the point where latching speed is engaged |
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|
Term
|
Definition
| n. a hinge that allows the door to swing far enough away from the jamb to fully clear the opening at 90 degrees open |
|
|
Term
|
Definition
| n. 1. a lock which incorporates an electrical switch as an integral part of its construction 2. a large padlock designed for use on railroad switches |
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|
Term
|
Definition
| n. normally a two-piece spindle assembly whose two halves are designed to turn independently |
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|
Term
|
Definition
|
|
Term
|
Definition
| n. a T-shaped handle assembly which may be lockable |
|
|
Term
|
Definition
| n. a strike whose lip spans the middle portion (but not the full height) of the strike |
|
|
Term
|
Definition
| adj. of or pertaining to a knob, lever or other device to open a door, which conveys a special sense of touch; typically used as a warning to the visually impaired of danger on the other side of the door |
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|
Term
|
Definition
| n. an actuator attached to the rear of the cylinder, parallel to the plug, typically used on rim, key-in-knob or special application cylinders |
|
|
Term
|
Definition
| n. the part of a lever lock bolt that is relieved to allow the key to enter and move the bolt |
|
|
Term
| tamper resistant fastener |
|
Definition
| n. any one of several screws or nuts which have a specialized head, requiring a special-access tool for removal |
|
|
Term
|
Definition
| n. a sensor that signals when someone attempts to access the mechanism of a security device |
|
|
Term
|
Definition
| abb. transmission control protocol |
|
|
Term
|
Definition
| n. the system networks use to communicate with one another |
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|
Term
|
Definition
| n. the bolt of a locking device which extends and retracts by successive overlapping sections |
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|
Term
|
Definition
| n. a steering column adjustable for length |
|
|
Term
|
Definition
| n. a pattern used to mark cutout locations for hardware installation |
|
|
Term
|
Definition
| n. a hinge with dimensions, hole locations and tolerances which conform to ANSI standard A156.7 |
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|
Term
|
Definition
| n. a flexible washer under a wheel pack in some combination locks for adjusting tension on that wheel pack |
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|
Term
|
Definition
| n. a tool used to apply torque to a lock bolt or cylinder plug while attempting picking |
|
|
Term
|
Definition
| n. pl. the total possible number of different combinations available for a specific cylinder or lock mechanism |
|
|
Term
|
Definition
| n. an instrument, used for cutting with a pure oxygen feed, that uses itself and the material being cut as fuel |
|
|
Term
|
Definition
| n. a relocking device which is activated by heat |
|
|
Term
|
Definition
| n. the raised round part of a mortise lock escutcheon that the knob seats upon |
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|
Term
|
Definition
| n. a rose with an internally threaded ferrule |
|
|
Term
|
Definition
| n. a process wherein key bittings are obtained by using the cut possibilities in three columns of the key bitting array |
|
|
Term
|
Definition
| n. a master key for all combinations obtained by progressing three bitting positions |
|
|
Term
|
Definition
| n. a self-latching device designed to latch a door at the top, bottom and edge |
|
|
Term
|
Definition
| n. the cut made into a key to bypass a throat ward |
|
|
Term
|
Definition
| n. an obstruction formed in a lock's case or horn at the point of key entry, which prevents key rotation |
|
|
Term
|
Definition
| n. the distance a bolt or latch projects from the faceplate or case of a lock in the extended position |
|
|
Term
|
Definition
| n. an intermediate actuator which engages the rear of the plug to transfer motion to a cam, tailpiece or other actuator |
|
|
Term
|
Definition
| n. restraints designed to lock on the thumbs |
|
|
Term
|
Definition
| n. a projection of metal on a key bow which serves as a tactile means of orienting a non reversible key for correct lock insertion |
|
|
Term
|
Definition
| n. a lock with a thumbpiece to actuate the latch |
|
|
Term
|
Definition
| adj. 1. the side of a flat single sided cylinder key on the left when the cuts are on the top edge , 2. the side of a tubular key on the left when the positioning nib is on the top, 3. the side of a cruciform key on the left when the uncut rib is on the bottom |
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|
Term
|
Definition
| n. the part of a rim latch that can be used to lock the bolt in either the retracted or extended position until released |
|
|
Term
|
Definition
| n. a actuator which can be turned by thumb and forefinger |
|
|
Term
|
Definition
| n. a cylinder with a turn knob rather than a keyway and tumbler mechanism |
|
|
Term
|
Definition
| n. a generally flat, projecting latch actuator found above a grip handle and depressed by the thumb |
|
|
Term
|
Definition
| n. a steering column design which permits vertical adjustment of the steering wheel |
|
|
Term
|
Definition
| n. and adj. a feature which prevents operation until a set amount of time has elapsed. Activation normally begins when access, egress or other unlocking is desired. |
|
|
Term
|
Definition
| n. a lock that has a mechanism for preventing unlocking until a specific amount of time has passed |
|
|
Term
|
Definition
| n. a secondary device which prevents movement of a bolt or boltworks until a set amount of time has elapsed. The device is normally set or activated at the time of locking. |
|
|
Term
|
Definition
| n. the engagement or positioning of an assembly of internal parts so as to produce the desired sequence of engagement during operation |
|
|
Term
|
Definition
| n. the portion of the key which enters the keyway first |
|
|
Term
|
Definition
| n. a type of stop located at or near the tip of the key |
|
|
Term
|
Definition
| n. a specification that a bitting combination is recorded starting at the tip and proceeding to the bow |
|
|
Term
|
Definition
| n. a key bow and shank that uses a detachable end with a bit(s) on it |
|
|
Term
|
Definition
| n. a U.L. rating given to a container whose door has been tested against forcible entry, with common hand tools, for a period of 15 man minutes |
|
|
Term
|
Definition
| n. a U.L. rating given to a container whose door has been tested against forcible entry, with common hand tools and/or abrasive cutting wheels and power saws, for a period of 30 man minutes |
|
|
Term
|
Definition
|
|
Term
|
Definition
| n. that part of the shackle, which may be removed from the padlock body |
|
|
Term
|
Definition
| n. a pivoting one-piece stop works activator |
|
|
Term
|
Definition
| n. a self-contained electronic key |
|
|
Term
|
Definition
| n. the deviation allowed from a given dimension |
|
|
Term
|
Definition
| n. a telephone communication device, normally activated by an alarm, that uses a series of tones to dial a predetermined number |
|
|
Term
|
Definition
| n. – the highest level control key when master keying the control function of an interchangeable core or removable core |
|
|
Term
|
Definition
| n. an arrangement of potential key cut depths within a KBA beginning at the shallowest and continuing to the deepest |
|
|
Term
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Definition
| n. surface application of a door closer body directly to the header |
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Term
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Definition
| n. the highest level master key in a master key system |
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Term
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Definition
| n. the bitted edge of a single bitted key |
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Term
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Definition
| n. usually a cylindrical shaped tumbler, usually flat on both ends and installed in direct contact with the spring in the pin stack |
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Term
| total position progression |
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Definition
| n. a process used to obtain key bittings in a master key system wherein bittings of change keys differ from those of the top master key in all bitting positions |
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Term
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Definition
| n. a type of exit device actuator which typically does not pivot and retracts the bolt with a minimum of pressure |
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Term
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Definition
| n. 1. an exit device actuator with a paddle shape 2. a remote door opener activator, typically electric or electronic, which facilitates handicap access |
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Term
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Definition
| n. the bitting surface of a sidewinder key formed when it is cut |
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Term
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Definition
| n. the door face farthest from the strike side of the jamb when the door is open |
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Term
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Definition
| n. a surface mounted latch, typically having an actuator operated by a long pole or an attached pull chain |
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Term
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Definition
| n. a key with an electronic component which can convert a radio signal into an electrical current enabling the key to transmit a unique code back in return |
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Term
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Definition
| n. an indicator which, once disturbed, wittingly or unwittingly, alerts those setting it to an attempted covert entry |
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Term
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Definition
| adj. referring to a three point locking system usually found on round door safes |
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Term
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Definition
| n. a safe handle that has 3 extensions off the main hub |
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Term
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Definition
| n. a lock which requires successful operation of one or more moving panels, concealed buttons, etc., often in addition to normal operation by key and/or combination |
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Term
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Definition
| n. exposed components of a lockset or latchset, which allow operation, enhance appearance or provide protection |
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Term
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Definition
| n. the decorative and functional assembly, which covers the inside surface of a vehicle, door |
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Term
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Definition
| n. a spindle with three wedge shaped bars which spread to grip the inside of the knob shank when the knob set screw is tightened |
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Term
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Definition
| n. a U.L. rating given to a container when it has been tested against forcible entry, on all six sides, with common hand tools and/or abrasive cutting wheels, power saws, and oxy-fuel gas cutting or welding torch for a period of 15 man minutes |
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Term
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Definition
| n. a U.L. rating given to a container where the door has been tested against forcible entry with common hand tools and/or abrasive cutting wheels, power saws, and oxy-fuel gas cutting or welding torch for a period of 30 man minutes |
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Term
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Definition
| n. a U.L. rating given to a container when it has been tested against forcible entry, on all six sides, with common hand tools and/or abrasive cutting wheels, power saws, and oxy-fuel gas cutting or welding torch for a period of 30 man minutes |
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Term
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Definition
| n. a U.L. rating given to a container where the door has been tested against forcible entry with common hand tools and/or abrasive cutting wheels, power saws, and oxy-fuel gas cutting or welding torch for a period of 60 man minutes |
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Term
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Definition
| n. someone who doesn't have, or want, state-of-the-art capabilities and does shoddy work |
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Term
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Definition
| n. the part of a lever lock that accepts the key and stabilizes it, typically a single piece or an assembly consisting of some combination of a nose, guide and foot |
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Term
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Definition
| n. 1. a hinged strap with a staple or a lock at the end that mates with a receptacle in the trunk, 2. a lock designed to secure the trunk of an automobile |
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Term
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Definition
| n. a manipulation key which is usually part of a set, used for a specific series, keyway, and/or brand of lock |
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Term
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Definition
| abb. 1. transistor transistor logic, 2. time to live |
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Term
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Definition
| n. a strike whose lip spans the middle portion (but not the full height) of the strike |
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Term
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Definition
| n. a hollow cylindrical pipe passing through a safe or vault door from the lock to the front of the door |
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Term
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Definition
| n. a protrusion designed into the back of a combination lock case for attachment of the tube |
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Term
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Definition
| n. a hexagonal nut used to attach the dial ring to the tube on a safe lock |
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Term
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Definition
| n. a key with a tubular blade. The key cuts are made into the end of the blade, around its circumference. |
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Term
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Definition
| n. a cylinder whose tumblers are arranged in a circle and which is operated by a tubular key |
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Term
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Definition
| n. a bored lockset whose latch or bolt locking mechanism is contained in the component installed into the edge bore |
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Term
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Definition
| n. a pick designed to operate a tubular key lock |
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Term
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Definition
| n. a movable obstruction of varying size and configuration in a lock or cylinder which makes direct contact with the key or another tumbler and prevents an incorrect key or torque device from activating the lock or other mechanism |
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Term
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Definition
| n. a position within a lock designed to accept a tumbler pack, it typically includes a tumbler post and a spring rest |
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Term
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Definition
| n. a complete set of lever tumblers for a given lock |
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Term
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Definition
| n. a rod mounted in a lever lock, upon which the pivoting ends of the tumblers are in turn mounted |
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Term
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Definition
| n. a thin spacer placed between lever tumblers to reduce friction |
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Term
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Definition
| n. any spring which acts directly on a tumbler |
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Term
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Definition
| n. a lock, latch or exit device part which is contacted to achieve the normal operation. It may be a knob, lever or thumb turn. |
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Term
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Definition
| n. a disk shaped component with a cam actuated by a thumb turn, normally used in a mortise lock |
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Term
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Definition
| n. a pin tumbler which must rotate to a specific position to allow plug rotation |
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Term
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Definition
| n. a process wherein key bittings are obtained by using the cut possibilities in two columns of the key bitting array |
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Term
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Definition
| n. a tool designed to open lever locks where bolt pressure and lever manipulation are applied simultaneously |
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Term
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Definition
| n. a master key for all combinations obtained by progressing two bitting positions |
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Term
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Definition
| n. a progression using a two increment difference between bittings of a given position |
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Term
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Definition
| n. A U.L. rating given to a container where the door has been tested against forcible entry with common hand tools and/or abrasive cutting wheels, power saws, and oxy-fuel gas cutting or welding torch and may further include nitroglycerin or other high explosives for a period of 60 man minutes. The total quantity of explosives employed may not exceed 8 ounces. Not more than 4 ounces is to be used in a single charge. |
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Term
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Definition
| n. a UL rating given to an electronic combination lock able to withstand 20 man-hours of expert manipulation as well as other specifications as listed in UL 2058 |
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Term
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Definition
| n. a UL rating given to an electronic combination lock able to withstand 20 man-hours of expert manipulation as well as other specifications as listed in UL 2058. The lock also meets U.S. Federal Specifications FF-L-2740. |
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Term
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Definition
| n. a UL rating given to an electronic combination lock able to withstand specifications as listed in UL 2058 |
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Term
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Definition
| abb. Underwriters Laboratories |
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Term
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Definition
| adj. listed in a directory as having passed specific Underwriters Laboratories testing |
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Term
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Definition
| n. a change key which is not related directly to a particular master key through the use of certain constant cuts |
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Term
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Definition
| n. a master key which does not have change keys related to its combination through the use of constant cuts |
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Term
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Definition
| adj. 1. of or pertaining to a cylinder which is or is to be supplied without keys, tumblers and springs 2. of or pertaining to a lock, cylinder or key in which the combination has not been set |
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Term
| uncontrolled cross keying |
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Definition
| n. a condition in which two or more different keys under different higher level keys operate one cylinder by design; e.g., XAA1 operated by AB, AB1. Note: This condition severely limits the security of the cylinder and the maximum expansion of the system, and often leads to key interchange |
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Term
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Definition
| v. a process that moves a spring loaded tumbler to a point short of the operating point to form a shear line |
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Term
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Definition
| n. a single plate of steel used in place of individual multiple bolts to lock a safe door |
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Term
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Definition
| n. a cylinder whose key can turn in only one direction from the key pull position |
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Term
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Definition
| n. a hardware key connected to a USB port |
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Term
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Definition
| n. an automotive key that operates all locks except storage compartments, on a vehicle where there is also a master key to operate all locks |
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Term
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Definition
| abb. Vehicle Anti-Theft System |
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Term
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Definition
| n. a key for some General Motors vehicles which contains a resistor chip that must be qualified by the vehicle in order to run |
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Term
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Definition
| n. a device which determines the resistor value required to complete the ignition circuit. It also reads the value of the resistor in a VATS key. |
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Term
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Definition
| n. a secure room in which objects of value are stored |
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Term
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Definition
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Term
| Vehicle Anti-Theft System |
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Definition
| n. an electronic system in some General Motors vehicles which uses a resistor pellet of varying value imbedded in a mechanical ignition key |
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Term
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Definition
| adj. of or pertaining to a mounting orientation of a safe or vault lock such that the bolt projects downward |
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Term
| vertical group master key |
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Definition
| n. the two-pin master key for all combinations listed in all blocks in a line down a page in the standard progression format |
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Term
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Definition
| n. an exit device with bolts typically at the top and bottom of a door connected to a central mechanism by rods |
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Term
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Definition
| adj. of or pertaining to a mounting orientation of a safe or vault lock such that the bolt projects upward |
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Term
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Definition
| abb. vertical group master key |
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Term
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Definition
| n. a secondary locking mechanism combination used as a method of discriminating between suppliers for key control |
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Term
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Definition
| n. the movable jaw of a key machine vise |
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Term
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Definition
| n. a nut, with an external design to facilitate use without tools, that works in conjunction with the vise stud to tighten the vise on a key machine |
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Term
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Definition
| n. a threaded post mounted to the carriage of a key machine to provide a means of tightening the vise |
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Term
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Definition
| n. a specification that all keys and the visible portion of the front of all lock cylinders be stamped with standard keying symbols |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| n. 1. a flat tumbler which must be drawn into the cylinder plug by the proper key so that none of its extremities extends into the shell 2. a flat, usually rectangular tumbler with a gate which must be aligned with a sidebar by the proper key |
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Term
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Definition
| n. a vault with a man door and open floor space inside |
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Term
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Definition
| n. a safe installed in a wall so that only the door and a frame is visible |
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Term
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Definition
| n. a usually stationary obstruction in a lock or cylinder which prevents the entry and/or operation of an incorrect key |
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Term
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Definition
| n. a modification of a key which allows it to bypass a ward |
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Term
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Definition
| adj. having one or more wards |
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Term
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Definition
| n. a key with ward cuts only, typically a bit key, flat steel key or corrugated key |
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Term
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Definition
| n. an independent testing laboratory |
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Term
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Definition
| n. 1. a lock which prevents rotation of a wheel, 2. a lock which prevents removal of a wheel |
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Term
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Definition
| n. an assembly of combination wheels |
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Term
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Definition
| n. a tool used to remove the steering wheel from a column |
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Term
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Definition
| adj. pertaining to aluminum and hollow metal or wood doors with stiles 5 inches wide or larger |
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Term
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Definition
| n. an alarm system component designed to detect breaking glass |
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Term
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Definition
| n. 1. a device used to decode lever lock combinations by an arc contact with the configured lever/belly characteristic shape, 2. a tool for cleaning the hidden part of an automotive window to facilitate viewing of linkage |
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Term
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Definition
| n. the change in the surface finish of metal resulting from pressure contact, as in impressioning |
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Term
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Definition
| n. lock or exit device trim which activates a mechanism |
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Term
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Definition
| sym. symbol used in hardware schedules to indicate a cross-keyed condition for a particular cylinder; e.g., XAA2, XlX (but not AX7) |
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Term
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Definition
| The American inventor of the pin tumbler mortise lock and its replaceable cylinder component. |
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Term
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Definition
| n. a component designed to secure cylinders or turn disks in both sides of a mortise lock by means of a single setscrew |
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Term
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Definition
| n. a mechanical system uniting two or more combination locks with the ability to be unlocked by any lock or a series of locks |
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Term
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Definition
| n. 1. a wire bypass tool with two opposing right angle bends, for retracting a spring latch, 2. a wire tension wrench for the control lug in certain IC padlocks |
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Term
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Definition
| adj. of or pertaining to a cylinder which is or is to be combinated to keys cut to the manufacturer's reference number "0" bitting |
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