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a deadbolt lock; a door chain; a locking door handle; an electromagnetic lock, which holds a door shut when electricity is supplied to it; a keycard lock, commonly used on hotel doors; a mortise lock, a lock installed in a hollowed-out pocket within a door; a rim lock, a lock fixed to the exterior of the door
The door could also be locked or unlocked via an SMS "key" for those without smartphones. [5] All models of Lockitron allowed for a traditional lock which continues to work with traditional metal keys. [6] When a metal key was used, some models of Lockitron sent a notification to a smartphone. [7]
The parts included in the typical US mortise lock installation are the lock body (the part installed inside the mortise cut-out in the door); the lock trim (which may be selected from any number of designs of doorknobs, levers, handle sets and pulls); a strike plate (or box keep), which lines and reinforces the cavity in the door jamb or frame ...
During the day, the door cannot be locked using the normal key. [4] The night mode works as follows: Unlock the door from the outside; Push the key through the lock, so that the key protrudes from the inside of the door; Open the door and enter; Close the door and lock the door with the key; Take the key from the lock
Door with two locks, one in the doorknob and a separate deadbolt. 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
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Locks have been constructed for over 2500 years, initially out of wood and later out of metal. [1] Historically, locksmiths would make the entire lock, working for hours hand cutting screws and doing much file-work. Lock designs became significantly more complicated in the 18th century, and locksmiths often specialized in repairing or designing ...
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