Ads
related to: how are deadbolt locks mounted
Search results
Results From The WOW.Com Content Network
Some lock manufacturers also have a "lockable" knob: a key is always needed on one side (usually external), and a twist knob can be used on the other (internal), unless a button has been pressed, in which case a key is also needed on the internal side. [3] A variant of the standard deadbolt is the vertical deadbolt, invented by Samuel Segal.
The locks can log the times of entry, and can trigger an alarm if they are struck during a break-in attempt. Deadbolts — unlike common spring latches, the locking mechanism of these typically prevents the bolt from being retracted by force, or shimming, and it cannot be moved to the open position except by rotating the key.
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 ...
The most basic type of electronic lock is a magnetic lock (informally called a "mag lock"). A large electro-magnet is mounted on the door frame and a corresponding armature is mounted on the door. When the magnet is powered and the door is closed, the armature is held fast to the magnet. Mag locks are simple to install and are very attack ...
The term "warded lock" refers to the lock mechanism, while the term "mortise lock" refers to the bolt location. Warded locks contain a series of static obstructions, or wards, within the lock box; only a key with cutouts to match the obstructions will be able to turn freely in the lock and open the latch.
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