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jamb n. the vertical components of a door frame jimmy proof adj. pertaining to a lock having a bolt which interlocks with its strike keeper n. 1. the movable portion of an electric strike which captures the bolt 2. see "strike" key change adj. referring to a lock in which the combination can be changed through the use of a special key or tool without disassembling the lock key in knob lockset n. any lockset with a key operated cylinder in one or more knobs key in lever lockset n. any lockset with a key operated cylinder in one or more lever handles key pull(s) n. a lock specification which indicates by quantity and orientation the position(s) in which a key may be withdrawn Key Records Department n. the department which is responsible for generating and issuing all lock and key combinations and maintaining records of them key switch n. a switch operated by a keyed lock mechanism which may be an integral part of the switch assembly keyhole n. the opening through which a non cylinder key must pass to enter a lock keyhole lock n. a lock which blocks the keyhole of a bit key lock keyhole plate n. an escutcheon for a keyhole keyway post n. 1. see "guide" def. 2" 2. the projecting pin of a lock or cylinder which enters the hollow end of a key keyway ward n. a ward which prevents entry of an incorrect key into a cylinder or lock kick plate n. a protective plate mounted on the bottom of a door to prevent damage to minimize damage to the door knock out tag n. the portion of a key bow where a code number may be stamped and which is designed to be removed from the bow prior to normal usage L handle n. an L shaped handle assembly which may be lockable L handle lock n. a cabinet lock with an L shaped handle laminated padlock n. A padlock whose case is constructed of separate plates usually riveted together latch n. a mechanical device which automatically keeps a door closed until a deliberate action is used to retract it latch bolt n. a spring actuated bolt, normally with one or more beveled surfaces, which, when aligned with the strike, engages it automatically latching speed (of a door closer) n. the final speed of a door just prior to closing latchset n. a non locking device which contains only a latch bolt, a means of operating said latch and all required trim lever pack n. a set of lever tumblers lever tumbler n. usually a flat, spring loaded tumbler which pivots on a post LOBC abb. locked on by combination lock n. any device which prevents access or use by requiring special knowledge or equipment lock service package n. a kit offered by the manufacturer or distributor of a product which contains what he deems required to properly service the product lock stile n. the vertical edge of a door designed for lock or latch installation locker lock n. a cabinet lock designed specifically for use on lockers locking lug n. a fixed component of a safe which locks the safe door in place in the locked position. See appendix locking lug nut n. a lug nut which requires the use of a key or special wrench lockset n. a locking device, complete with trim, mounting hardware and strike locksmith n. a person with the knowledge and ability to select, install, service and bypass all the components of an electrical or mechanical lock magnetic contact n. an electrical switch activated by magnetic attraction or repulsion man trap n. a sally port designed for pedestrian traffic matrix format master keying n. a method of generating combinations and assigning key symbols in a master key system through the use of a matrix metal desk lock n. a cabinet lock with a vertically sliding bolt located at the rear of the cylinder meter lock n. 1. a padlock whose shackle consists of a single removable post, designed for locking utility meters or valves. 2. any of several small devices specifically designed to lock utility meters or valves and which require either a key or special wrench for removal. MP abb. manipulation proof MR abb. manipulation resistant MS abb. Maximum Security. A trademark of the Adams Rite Manufacturing Co. mullion n. a vertical center post in the frame of a pair of doors Copyright © 1989, 1990, 1995, 1996 LIST Council - Printed in USA neck (of a key) n. 1. the portion of a bit key between the shoulder and the bit(s) 2. the portion of a cylinder key between the shoulder and the bow NFPA 80 n. National Fire Protection Association standards for doors and windows NFPA 101 n. National Fire Protection Association life safety code NFS abb. non-fail safe night latch n. a rim mounted auxiliary latch bolt NLSA abb. National Locksmith Suppliers Association non-fail safe adj: a feature of a security device designed to remain engaged, for security purposes, during a power loss non handed adj. pertaining to hardware which is manufactured in a way which allows installation on doors of any orientation without requiring modification or adjustment to accommodate the door orientation non removable key adj. a key which has one or more cuts on it which trap the key in the lock upon insertion non removable pin n. pertaining to a hinge whose pin can not be removed when the door is closed nose n. the part of a non cylinder lock which contains the keyway and rotates within a horn NRK abb. non removable key NRP abb. non removable pin NUR symbol for nurse's key nurse's key n. a selective master key used in a hospital keying system open gated adj. pertaining to a lever tumbler whose gate is in the edge of the tumbler occupancy type adj. the use to which an area of a building is put with reference to the prevailing life safety or building code opening index n. the index or mark to which a combination is dialed in order to effect an opening operating shear line n. any shear line which allows normal operation of a cylinder or lock overhead stop n. a door stop which contacts the door near the top pack n. the set of tumblers in a lever tumbler or combination lock padlock n. a detachable and portable lock with a shackle which locks into its case panic button n. any switching device in an alarm system designed to be activated by a person in a panic situation. It creates an immediate alarm condition pawl n. the cam of certain automotive cylinders personal identification number n. a series of numbers and/or letters associated with a particular individual as a means of identification PIN abb. personal identification number PIR abb. passive infra-red plunger lock n. any of various spring loaded locks or cylinders which move in or out to accomplish a locking function post (of a key) n. the portion of a bit key between the tip and the shoulder, to which the bit(s) is attached pop out lock n. a plunger lock usually used on vending machines to prevent operation of a T handle power locks n. electrically or electro-pneumatically operated locks pre assembled lockset 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. prep n. The location and dimensions of the cut out(s) and reinforcing in a door or frame required to accept a piece of hardware. v. To prepare a door or frame for installation of a lock or other hardware primary key 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. Pullman keeper n. a type of keeper which is shaped to operate with the radiused contour of a Pullman latch Pullman latch n. a type of latch which pivots like a hinge and whose locking side is radiused |
