The spring is compressed to unlock the bolt and when released it snaps into a locked position.
Door lock spring mechanism.
A non tested night latch can be used for access but it must be supported with a tested lock so you would have two locks on the door.
A slam latch uses a spring and is activated by the shutting or slamming of a door.
The everbilt 5 8 in.
And the everbilt 5 8 in.
The slam latch derives its name from its ability to slam doors and drawers shut without damaging the latch.
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It can be locked or unlocked at any time using.
This type of door generally locks automatically when closed.
Like all latches a slam latch is a mechanism to hold a door closed.
The springs are ideal for general use with furniture appliances automotive work toys marine gate screen doors and repair projects.
A locking mechanism used with a latch bolt.
How to fix a doorknob s bolt mechanism.
Spring bolt a spring latch is a bolt held in place by a spring clip.
This massive cast iron rim lock is faithfully reproduced from an early 19th century original used on entry doors.
Spring bolt lock or night latch.
Turning a doorknob retracts the end of a bolt or latch from an opening in a strike plate on the face of the door jamb allowing the door to open.
Deadbolt a deadlatch does not have the spring loading mechanism.