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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 lever lock. Mortise locks may include a non-locking sprung latch operated by a door handle. Such a lock is termed a sash lock.A simpler form without a handle or latch is termed a dead lock.
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
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.
Metal fire-resistance rated door with a lockset consisting of a locking latch bolt operated by lever handle with an escutcheon that encompasses the locking mechanism.. A lockset (alternatively lock set) is the hardware and components that make up the locking or latching mechanism that can usually be found on a door or other hinged object but can also include sliding doors and dividers. [1]
Whether you need to let in the housekeeper while you’re at work or you’re simply always forgetting to lock up, these keyless entry solutions can help.