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A deadbolt or deadlock is a type of lock morticed into a wooden door where a bolt is thrown into the door frame, using a key from either side, to secure the door. [ 1 ] It is distinct from a spring bolt lock because a deadbolt can only be opened by a key or handle.
A simpler form without a handle or latch is termed a dead lock. Dead locks are commonly used as a secure backup to a sprung non-deadlocking latch, usually a pin tumbler rim lock. [note 1] [according to whom?] Mortise locks have historically, and still commonly do, use lever locks as a mechanism. Older mortise locks may have used warded lock ...
Deadlock commonly refers to: Deadlock (locksmithing) or deadbolt, a physical door locking mechanism; Deadlock (computer science), a situation where two processes are each waiting for the other to finish; Political deadlock or gridlock, a situation of difficulty passing laws that satisfy the needs of the people
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Some commercially-sold doors may come prepared to receive one or more bored cylindrical locks, such as entry doors, which typically require both a door knob and dead bolt. [ 2 ] In the United States, typically, the face bore is sized from 1.5 to 2.125 inches (3.81 to 5.40 cm) in diameter and is centered at 2.375 or 2.75 inches (6.03 or 6.99 cm ...
A deadbolt latch is a single-throw bolt. The bolt can be engaged in its strike plate only after the door is closed. The locking mechanism typically prevents the bolt from being retracted by force.
Deadbolts, also known as deadlocks, do not have a spring mechanism which generally means the strike for a deadbolt is 'hold' only (the deadbolt is thrown and it engages in the electric strike cavity, the electric strike can release it but cannot subsequently 'recapture it' since the deadbolt lacks the spring latching capability of the other ...
Bible The bible [1] is the part of a pin tumbler lock that contains the pins and pin stack springs as well as the pin stacks themselves. The driver pins of a pin-tumbler lock are located in the bible.