(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
(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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