The Professional LOCKSMITH Dictionary, Lockpicking

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The Professional
LOCKSMITH
Dictionary
Formatted and provided to you by
Copyright ©, 1982 by the ALOA Sponsored National Task Group for Certified Training Programs, Master Keying Study Group
Copyright ©, 1983 by the ALOA Sponsored National Task Group for Certified Training Programs, Master Keying Study Group
Revised June, 1984
Revised April, 1987
Copyright ©, 1996 by the Lock Industry Standards and Training Council, Master Keying Study Group
Copyright ©, 1997 by the Lock Industry Standards and Training Council
Copyright ©, 2000 by the Lock Industry Standards and Training Council
Copyright ©, 2001 by the Lock Industry Standards and Training Council
Copyright ©, 2002 by the Lock Industry Standards and Training Council
Copyright ©, 2003 by the Lock Industry Standards and Training Council
Copyright ©, 2004 by the Lock Industry Standards and Training Council
Study group and LIST Council members have included:
Jerome Andrews
Vaughan Armstrong
Jimmy Benvenutti
Greg Brandt
Breck H. Camp
Joe Cortie
Billy B. Edwards Jr
Ken Ehrenreich.
G. L. Finch
Dorothy Friend
Kristine Gallo
Ray Hearn
A. J. Hoffman
Wiegand Jensen
David J. Killip
Mike Kirkpatrick
Gordon S. Morris
Dan Nicholson
Brian O’Dowd
Jon Payne
Lloyd Seliber
Sharon Smith
John Truempy
Roger Weitzenkamp
Jym Welch
All rights reserved.
Permission is hereby granted to reprint terms and definitions contained herein with the following stipulations:
1. Terms and definitions are to be reprinted in their entirety.
2. Credit is to be given to the Lock Industry Standards and Training (LIST) Council.
Printed in U.S.A.
In 1982 the
LIST Council’s
predecessor released to the industry
The Professional Glossary of Terms
Relating to Cylinders, Keys and Master Keying.
The
Associated Locksmiths of America, Inc.
was
the first to publish and distribute it. The definitions and terminology in the glossary have since been
adopted by most of the manufacturers, publications and associations as our industry standard and many
manufacturers offer a printed version as part of their factory training.
The
LIST Council
has been asked by
ALOA
and others to complete what would amount to a
Dictionary
for Locksmiths
. We are nearly finished with that work and are pleased to submit this installment of the
remaining terms that have been identified as specific to our industry.
When making a definition of a term, we applied the following rules to the term:
1. Is the term listed in “Webster”?
2. Is the definition there the same meaning used in our industry?
To us, “Webster”, means a typical pocket dictionary, which could be obtained easily and on short notice
from any grocery store, which has a pocket book display. If the answer to either of the questions above
was no, we felt the term must be in our dictionary, otherwise it was common usage which anyone could
define.
Because there is generally more than one term in use from one geographic area to another, we
established the most popular term that most closely describes what it means as the “primary” term to be
defined, unless it has different opposing definitions. All other terms with the same meaning become
secondary terms and are only listed in the appendix. With that established, the definitions have to meet
the following rules:
1. It must describe the subject of the term without graphics.
2. It must describe ONLY the subject of the term.
3. The term should not be used in the definition.
If you have a technical objection to any definition, please bring it to the attention of the publisher or a
member of the LIST Council for review.
Copyright © 1989, 1990, 1995, 1996, 1997, 2000, 2001, 2002 LIST Council - Printed in USA
The following is the combined work of these two groups.
ii
160 prep
n. a standard door preparation which consists of a 2-1/8" cross-bore with a 2-3/8" backset, and
a 1" edge-bore with a mortise 1" wide and 2-1/4" high
161 prep
n. a standard door preparation which consists of a 2-1/8" cross-bore with a 2-3/4" backset, and
a 1" edge-bore with a mortise 1-1/8" wide and 2-1/4" high
-A-
A2
n. an increment of .0125 typically used in a small format interchangeable core (SFIC)
A3
n. an increment of .018 typically used in a small format interchangeable core (SFIC)
A4
n. an increment of .021 typically used in a small format interchangeable core (SFIC)
A label
n. a classification by Underwriters Laboratories for doors with 3 hour rated fire protection
access control
n. any barrier or device, either natural or man made, that limits or prohibits, free or unlimited
access
access control
cylinder
n. a replacement for a mechanical cylinder which incorporates electronic access control and
allows the original host lock to function without additional wiring or hardware modifications
access control key
fob
n. any device other than a key designed to allow a token to be used and carried on a key ring
accessory position
n. the position of an ignition switch intended to permit the use of radio or other equipment
without turning on a drive train component
active case
n. the exit device case mounted on the stile of the door on which the lock is located
active leaf
n. the single door of a pair on which the active or locking hardware is mounted
active relocking
device
n. a device that places its bolts every time a safe door is closed and activation via attack prevents
it from retracting its bolts
active retainer
n. 1. a cylinder retaining mechanism which requires that the plug be rotated before the cylinder
can be removed, 2. a plug retaining mechanism which requires that the plug be rotated before the
retainer can be removed
Actuator
n. a device, usually connected to a cylinder, which, when activated, may cause a lock
mechanism to operate
ADA
abb. Americans with Disabilities Act
adjustable ball hinge
n. a pivot with adjustable height for narrow stile doors
adjustable collar
n. a spring-loaded cylinder collar which can fill a range of gaps between the cylinder head and
the door or escutcheon surface
adjustable mortise
cylinder
n. any mortise cylinder whose length can be adjusted for a better fit in doors of varying
thickness
AED
abb. anti-explosive device
AFTE
abb. Association of Firearm and Toolmark Examiners
after hours
depository
n. a locked receptacle for the deposit of items after regular hours
AHC
abb. Architectural Hardware Consultant (as certified by DHI)
AHD
abb. after hours depository
AHJ
abb. authority having jurisdiction
1
Alarm system
n. a system of electrical and/or electronic components which detect and report dangers, such as
fire or intrusion
aligning tube
n. 1. a lock component which orients and joins the latch and knob spindles of certain bored
locksets, 2. in some combination locks, a tube which houses the spindle, located between the
dial ring and the lock
all-section key blank
n. the key section which enters all keyways of a multiplex key system
ALOA
abb. Associated Locksmiths of America, Inc.
aluminum door
n. a door composed of an extruded or plate aluminum frame and a lite which is the major door
surface
Americans with
Disabilities Act
n. a US federal law dealing with minimum standards of building accessibility, as well as other
issues concerning individuals with disabilities
angularly bitted key
n. a key which has cuts made into the blade at various degrees of rotation from the perpendicular
ANSI
abb. American National Standards Institute
ANSI strike
n. any of many strikes designed to fit door and frame preparations as specified in the applicable
document in the ANSI A115 series, common usage refers to a strike with dimensions of 4 7/8" X
1 1/4"
ANSI 117.1
n. that section of the American National Standards Institute documents pertaining to handicap
access
anti-friction
adj. pertaining to a feature which, upon contact with the strike, allows smoother operation of a
latch bolt
anti-rap
adj. specifically designed to preclude bypass via attack based on sharp, repetitive blows to the
mechanism
anti slip positioned
adj. of or pertaining to the orientation of a cam on a profile cylinder which requires rotation
before it may be removed from the lock case
anti-wrench
reinforcement spring
n. a lock cylinder spring designed to protect the inner and outer halves of a profile cylinder from
being forcibly separated as a means of brute force entry
arbor
n. the shaft from the handle to the inside of the safe
architectural finish
code
n. one of a series of specification codes used to indicate the color and texture of a metal end
product that can be installed. Some finish specifications also note the base metal characteristics
and processes used to obtain the end product.
architectural
hardware
n. 1. fittings applied to protect a surface of, or to facilitate use of movable members in a
building such as doors, windows, or cabinets, 2. various fixtures used in building construction
arm (of a closer)
n. door closer linkage which connects the closer to the frame or door, depending on the
mounting style
armored escutcheon
n. a usually hardened escutcheon, typically beveled, that resists physical attack
armored face plate
n. a face plate that conceals all lock and/or cylinder mounting screws
ASIS
abb. American Society for Industrial Security
assembly occupancy
n. those buildings or areas which are designated as places of assembly according to life safety or
building codes
associated change
key
n. a change key which is related directly to particular master key(s) through the use of constant
cuts
2
associated master
key
n. a master key which has particular change keys related directly to its combination through the
use of constant cuts
ASTM
abb. American Society for Testing and Materials
Astragal
n. a molding attached to the active leaf of a pair of doors and overlapping the inactive leaf
ATM
abb. automatic teller machine
ATT
abb. attendant's key
attack resistance
adj. design qualities of a product that render brute force physical defeat methods less effective or
ineffective
attendant's key
n. a selective master key used in a hospital keying system
audit overrun
n. a means of attack designed to eliminate entries in an access control database, overfilling and
scrolling off previous entries
audit trail
n. a specific group of events selected from transaction records and listed sequentially
authority having
jurisdiction
n. in any particular situation, installation, or location, the person or office which has the
responsibility and authority to select, interpret and enforce the applicable building, life safety,
disability or fire codes
automatic closing
adj. pertaining to a door which is equipped with a door closer, or other device to close it without
manual intervention. Frequently found in Life Safety and fire code requirements.
automatic deadbolt
n. a deadbolt designed to extend itself fully when the door is closed
automatic flush bolt
n. a flush bolt designed to extend itself when both leaves of the pair of doors are in the closed
position
automatic key
machine
n. a machine capable of cutting keys with manual operations limited to loading and unloading
keys
automatic teller
machine
n. a device for dispensing cash, receiving deposits and performing other banking functions upon
presentation of the proper authorization
auxiliary lock
n. any lock installed in addition to the primary lockset
auxiliary spring
n. a secondary spring used to support the lever handles of a lockset
auxiliary spring rose
n. oversized trim that interlocks with a lock chassis and external lever as a means to mount an
auxiliary spring
-B-
B label
n. a classification by Underwriters Laboratories for doors with 1 1/2 hour rated fire protection
back plate
n. a thin piece of metal, usually with a concave portion, used with machine screws to fasten
certain types of cylinders to a door
backcheck
n. the resistance provided by a door closer as a door is opened
backset
n. the distance between the center of a cross-bore and the bolt edge of a door or drawer
baffle
n. a device or devices designed to deter the retrieval of items through a depository opening
balance (a
combination)
v. to dial a combination 1 number high and 1 number low to verify a correct combination
setting
balance hole
n. the place in a combination wheel where material has been eliminated to provide an equal
3
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The Professional LOCKSMITH Dictionary, Lockpicking

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