-
-O-
-
- O.b.
- abb.
operated by, as used in keying schedules
-
- occupancy
type
- adj. the use to
which an area of a building is put with reference to the
prevailing life safety or building code
-
- odometer
method
- n. a means
of populating the KBA as a counter from the TMK combination
-
- Oe
- abb. oersted
-
- oersted
- n. a unit of magnetic
field strength which is commonly used in the magnetic
recording industry
-
- offset
cam
- n. a cam which is
bent to have its ends in different planes
-
- oil cup
- n. a receptacle for
lubricant on a machine
-
- one
bitted
- adj. of or
pertaining to a cylinder which is or is to be combinated
to keys cut to the manufacturer's reference number one
bitting
-
- one
column progression
- n. a process
wherein key bittings are obtained by using the cut
possibilities in one column of the key bitting array
-
- one pin
master key
- n. a master key for
all combinations obtained by progressing only one bitting
position
-
- one shot
- adj. of or
pertaining to a wire run that has an unobstructed line of
sight
-
- one-way
deadbolt
- n. a deadbolt
operable from only one side of a door
-
- open back
strike
- n. a strike,
typically used on double door applications, that has an
unenclosed opening opposite the lip edge
-
- open face
dial
- n. a combination
lock actuator designed to have all the numbers visible at once
-
- open
gated
- adj. pertaining to
a lever tumbler whose gate is in the edge of the tumbler
-
- open loop
- n. a detection
circuit where continuity between branches
will result in a reportable condition
-
- opening
index
- n. the index or
mark to which a combination is dialed in order to effect
an opening
-
- operating
key
- n. any key which
will properly operate a lock or cylinder to lock or
unlock the lock mechanism and is not a control key or
reset key, see also "change key"
-
- operating
shear line
- n. any shear line
which allows normal operation of a cylinder or lock
-
- original
key blank
- n. a key blank
supplied by the lock manufacturer to fit that
manufacturer's specific product
-
- out of time
- adj. of or pertaining
to a condition where a mechanical part is misoriented and
cannot function correctly
-
- outside drive
- n. a safe lock that
is gear driven by a spindle located outside of the lock case opposite
the lock bolt or on either side of the lock case
-
- overhead
concealed closer
- n. a closer
designed for installation out of view in the door header
area
-
- overhead
stop
- n. a door stop
which contacts the door near the top
-
- overlifting
- v. 1. a picking
technique using a blank key to raise the tumblers to the top of
the keyway, 2. a lock defeat process that uses a comb attack to
bypass the normal locking combination, 3. a process that moves
a spring loaded tumbler beyond the operating point
-
- override code
- n. in an electronic
lock, a factory-set or user-set combination that will always open
the lock
-
- override
combination
- n. in certain
locks with a user changeable combination, a second combination
which allows access at all times. It is usually factory set
and may not be field changeable.
This listing of the
Locksmith Dictionary is courtesy of