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| GLOSSARY |
L Handle
- (n.) An L shaped handle assembly which may be lockable.
Source: Lock Industry Standards and Training (LIST) Council
L Handle Lock
- (n.) A cabinet lock with an L shaped handle.
Source: Lock Industry Standards and Training (LIST) Council
Labeled Door
- (n.) A door which has a fire protection certification by one of the recognized underwriting agencies.
Source: Lock Industry Standards and Training (LIST) Council
Labeled Exit
- (n.) A labeled door equipped with labeled hardware that can be used for building egress.
Source: Lock Industry Standards and Training (LIST) Council
Laminated Padlock
- (n.) A padlock whose case is constructed of separate plates usually riveted together.
Source: Lock Industry Standards and Training (LIST) Council
LAN-Alarm Web Camera
- (n.) A self-standing surveillance camera having alarm compatible for IR devices, switches and onboard website, Internet email sending capability.
Source: Lock Industry Standards and Training (LIST) Council
Large Format Interchangeable Core
- (n.) An interchangeable core which is too large to fit into a small format interchangeable core housing.
Source: Lock Industry Standards and Training (LIST) Council
Laser Cut
- (adj.) 1. A way of cutting a key so that the roots of adjacent cuts are connected by a straight-line cut.
(adj.) 2. A way of cutting a key so that the root of a shallow cut is widened until it intersects the included angle of an adjacent deeper cut.
Source: Lock Industry Standards and Training (LIST) Council
Latch
- (n.) 1. A mechanical or magnetic door fastener which can automatically keep a door, gate, etc., closed.
(v.) 2. Engagement of a latch when a door, gate, etc. is pushed or pulled closed.
Source: Lock Industry Standards and Training (LIST) Council
Latch Bolt
- (n.) A spring actuated bolt, normally with one or more beveled surfaces, which, when aligned with the strike, engages it automatically.
Source: Lock Industry Standards and Training (LIST) Council
Latch Guard
- (n.) A plate or combination of interlocking pieces designed to block access to the edge of a latch when the door is shut.
Source: Lock Industry Standards and Training (LIST) Council
Latch Tube
- (n.) The encasement portion of some types of lockset that contains the latch and may also contain its operating mechanism.
Source: Lock Industry Standards and Training (LIST) Council
Latching Speed (Of A Door Closer)
- (n.) The final speed of a door just prior to closing.
Source: Lock Industry Standards and Training (LIST) Council
Latchset
- (n.) A non locking device which contains only a latch bolt, a means of operating said latch and all required trim.
Source: Lock Industry Standards and Training (LIST) Council
Layout Tray
- (n.) A compartmented container used to organize cylinder parts during keying or servicing.
Source: Lock Industry Standards and Training (LIST) Council
Lazy Cam/Tailpiece
- (n.) A cam or tailpiece designed to remain stationary while the cylinder plug is partially rotated and/or vice-versa.
Source: Lock Industry Standards and Training (LIST) Council
Leading Face
- (n.) The door face closest to the strike side of the jamb when the door is open.
Source: Lock Industry Standards and Training (LIST) Council
Leaf
- (n.) 1. One half or section of a hinge.
(n.) 2. One door in a set of double doors.
(n) 3. One section of a multiple section door.
Source: Lock Industry Standards and Training (LIST) Council
Left Hand (Man Door)
- (adj.) Pertaining to an inward swinging door with hinges on the left side, using the outside of the door as reference.
Source: Lock Industry Standards and Training (LIST) Council
Left Hand Reverse Bevel (Door)
- (adj.) Pertaining to a left handed door which swings outward.
Source: Lock Industry Standards and Training (LIST) Council
Leg Irons
- (n. pl.) A pair of ringlike fetters, connected by a short chain or straight member, designed to be locked about the ankle.
Source: Lock Industry Standards and Training (LIST) Council
Levels Of Keying
- (n. pl.) The divisions of a master key system into hierarchies of access, as shown in the following tables. Note: the standard key coding system has been expanded to include key symbols for systems of more than four levels of keying.
Source: Lock Industry Standards and Training (LIST) Council
Lever (Combination Lock)
- (n.) Part of a combination lock that engages the drive cam, when the proper combination is supplied, and is directly attached to the locking bolt.
Source: Lock Industry Standards and Training (LIST) Council
Lever Handle
- (n.) A turn device in the general shape of an "L" used on certain locks and latches, as an alternate to a knob for ease of use.
Source: Lock Industry Standards and Training (LIST) Council
Lever Lock
- (n.) A lock whose tumblers are levers that must be raised to a given position so that the bolt can move.
Source: Dictionary.com
Lever Nose
- (n.) The hooked portion of a lever that engages the drive cam in a combination lock.
Source: Lock Industry Standards and Training (LIST) Council
Lever Pack
- (n.) A set of lever tumblers.
Source: Lock Industry Standards and Training (LIST) Council
Lever Rig
- (n.) Any device which utilizes a fulcrum with a long bar or pole as a means to apply pressure while drilling.
Source: Lock Industry Standards and Training (LIST) Council
Lever Tumbler
- (n.) A flat, spring-loaded tumbler which usually pivots on a post. It contains a gate which must be aligned with a fence to allow movement of the bolt.
Source: Lock Industry Standards and Training (LIST) Council
LFIC
- (abb.) Large Format Interchangeable Core
Source: Lock Industry Standards and Training (LIST) Council
LH
- (abb.) Left Hand
Source: Lock Industry Standards and Training (LIST) Council
LHR
- (abb.) Left Hand Reverse Bevel
Source: Lock Industry Standards and Training (LIST) Council
LHVD
- (abb.) Left Hand Vertical Down
Source: Lock Industry Standards and Training (LIST) Council
LHVU
- (abb.) Left Hand Vertical Up
Source: Lock Industry Standards and Training (LIST) Council
Lift Arc
- (n.) The distance a lever tumbler may be raised by a key from its at-rest position.
Source: Lock Industry Standards and Training (LIST) Council
Linkage
- (n.) 1. Any of various parts in a lock that help transfer motion to the bolt of a lock from a cylinder, turnpiece or other actuator not mounted to or touching the bolt/lock case.
(n.) 2. Part of the interconnected boltworks of an automotive lock.
Source: Lock Industry Standards and Training (LIST) Council
Lip (Of A Strike)
- (n.) The extended (usually curved) leading edge of a strike.
Source: Lock Industry Standards and Training (LIST) Council
Loading Tool
- (n.) A tool which aids installation of cylinder components into the cylinder shell.
Source: Lock Industry Standards and Training (LIST) Council
LOBC
- (abb.) 1. Locked On By Combination
2. (sic) Locked On Back Cover
Source: Lock Industry Standards and Training (LIST) Council
LOBC Index
- (n.) The index to which a combination is dialed in order to remove the lock's cover.
Source: Lock Industry Standards and Training (LIST) Council
Lock
- (n.) A device operated by a key, combination, or keycard and used, as on a door, for holding, closing, or securing.
Source: Dictionary.com
(n.) Any device which prevents access or use by requiring special knowledge or equipment.
Source: Lock Industry Standards and Training (LIST) Council
Read more about Definition and Types of Locks
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.
Source: Lock Industry Standards and Training (LIST) Council
Lock Stile
- (n.) The vertical edge of a door designed for lock or latch installation.
Source: Lock Industry Standards and Training (LIST) Council
Lock Window
- (n.) An opening in the case of a lever tumbler lock for viewing the fence entering the gates of the levers.
Source: Lock Industry Standards and Training (LIST) Council
Lock-In
- (adj.) Of or pertaining to a combination lock that is inoperable because the last number of a combination is set in the forbidden zone.
Source: Lock Industry Standards and Training (LIST) Council
Lockdown Bar
- (n.) An assembly which permits a laptop computer to be used, opened, closed, but not removed from a premises, often secured by a padlock.
Source: Lock Industry Standards and Training (LIST) Council
Locked Closed
- (adj.) Of or pertaining to a condition wherein the bolt(s) are engaged and the lock(s) are restricting access.
Source: Lock Industry Standards and Training (LIST) Council
Locked On By Combination
- (n.) A combination lock cover that can only be removed in conjunction with dialing the combination or while the lock bolt is in motion.
Source: Lock Industry Standards and Training (LIST) Council
Locked Open
- (adj.) Of or pertaining to a condition wherein the bolt(s) are engaged and lock(s) are not restricting access.
Source: Lock Industry Standards and Training (LIST) Council
Locked, Locking, Locks
- (v. tr.) 1. To fasten the lock of: close and lock a drawer.
(v. tr.) 2. To shut or make secure with or as if with locks: locked the house.
Source: Dictionary.com
Locker Lock
- (n.) 1. Any of various types of locks designed for a specific mounting preparation commonly used on lockers as well as other applications.
(n.) 2. Any of various locks used to lock lockers.
Source: Lock Industry Standards and Training (LIST) Council
Locking Lug
- (n.) A fixed component of a safe which locks the safe door in place in the locked position.
Source: Lock Industry Standards and Training (LIST) Council
Locking Lug Nut
- (n.) A lug nut which requires the use of a key or special wrench.
Source: Lock Industry Standards and Training (LIST) Council
Lockout
- (n.) Any situation in which the normal operation of a lock or cylinder is prevented.
Source: Lock Industry Standards and Training (LIST) Council
Lockout Key
- (n.) A key made in two pieces. One piece is trapped in the keyway by the tumblers when inserted and blocks entry of any regular key. The second piece is used to remove the first piece.
Source: Lock Industry Standards and Training (LIST) Council
Lockset
- (n.) A locking device, complete with trim, mounting hardware and strike.
Source: Lock Industry Standards and Training (LIST) Council
Locksmith
- (n.) Someone who makes or repairs locks.
Source: Dictionary.com
(n.) A person with the knowledge and ability to select, install, service and bypass all the components of an electrical or mechanical lock.
Source: Lock Industry Standards and Training (LIST) Council
LoCo
- (abb.) Low Coercivity
Source: Lock Industry Standards and Training (LIST) Council
Lost Ball Keying
- (n.) A keying method that uses a tiny ball(s) in the pin stack. The ball(s) may be removed from the pin stack without disassembly of the cylinder. Typically used for construction keying.
Source: Lock Industry Standards and Training (LIST) Council
Low Coercivity
- (adj.) A low energy form of magnetic encoding measuring 300 Oe which is not very resistant to accidental erasure.
Source: Lock Industry Standards and Training (LIST) Council
Lug Door
- (n.) A usually rotatable safe door which has projections that interlock with the safe body to retain the door.
Source: Lock Industry Standards and Training (LIST) Council
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