Door Lock Spring Mechanism
The spring is compressed to unlock the bolt and when released it snaps into a locked position.
Door lock spring mechanism. This massive cast iron rim lock is faithfully reproduced from an early 19th century original used on entry doors. The everbilt 5 8 in. A locking mechanism used with a latch bolt. How to fix a doorknob s bolt mechanism.
This type of door generally locks automatically when closed. And the everbilt 5 8 in. Like all latches a slam latch is a mechanism to hold a door closed. 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. The slam latch derives its name from its ability to slam doors and drawers shut without damaging the latch. The springs are ideal for general use with furniture appliances automotive work toys marine gate screen doors and repair projects. 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.
The best lock for a wooden door is a lock that meets the requirement of bs3621 the type of lock fitted can be a night latch mortice deadlock or mortice sash lock. Deadbolt a deadlatch does not have the spring loading mechanism. If installing on an entry door pair it with a modern deadbolt for security ideal for large interior doors it comes with matching un lacquered brass knobs trim and a pair of impressive skeleton keys. It can be locked or unlocked at any time using.
Extension springs 4 pack come in two sizes to accommodate a variety of applications.