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A metal doorframe with a strike plate built in: in other doors this would be a metal strikeplate in a wooden doorframe. The term door security or door security gate may refer to any of a range of measures used to strengthen doors against door breaching, ram-raiding and lock picking, and prevent crimes such as burglary and home invasions.
There are specialty electric strikes that hold the electric strike keeper open until the door with the extended deadbolt closes back into the electric strike to "recapture" the extended deadbolt. Mortise type locksets tend towards larger projecting latches from the door to engage deeper in the frame, and electric strikes used for these locking ...
A spool pin is a type of security pin used to prevent picking in a pin tumbler lock. The pin is shaped like a cable reel. [9] Strike plate A strike plate is a metal plate affixed to a doorjamb with a hole or holes for the bolt of the door. When the door is closed, the bolt extends into the hole in the strike plate and holds the door closed.
A shim is a precision tool used in locksmithing to bypass spring-loaded padlocks by manipulating their internal locking mechanisms. First documented in locksmith trade journals during the early 20th century, shims gained particular notoriety during World War II when military personnel used improvised versions to access secured equipment. [ 1 ]
A fail-secure locking device remains locked when power is lost. Fail-safe locking devices are unlocked when de-energized. Direct pull electromagnetic locks are inherently fail-safe. Typically the electromagnet portion of the lock is attached to the door frame and a mating armature plate is attached to the door.
A U.S. Marine performs a ballistic breach of a padlocked door using a combat shotgun. Door breaching is a process used by military, police, or emergency services to force open closed or locked doors. A wide range of methods are available depending on the door's opening direction (inward or outward), construction materials, etc., and one or more ...