12/8/2023 0 Comments Cam latchWhen the door is closed, the latch bolt and guardbolt are retracted together, and the door closes normally, with the latch bolt entering the strike plate. A deadlocking latch bolt ( deadlatch) is an elaboration on the latch bolt which includes a guardbolt to prevent " shimming" or "jimmying" of the latch bolt.The latch bolt is disengaged (retracted) typically when the user turns the door handle, which via the lockset's mechanism, manually retracts the latch bolt, allowing the door to open. Once the door is fully closed, the bolt automatically extends into the strike plate, holding the door closed. When the door is pushed closed, the angled edge of the latch bolt engages with the lip of the strike plate a spring allows the bolt to retract. It is a spring-loaded bolt with an angled edge. A Latch bolt is an extremely common latch type, typically part of a lockset.Other companies have square or D-shaped bars. Version on upper right has a lock version on upper left does not. Spring latches Knob has crescent-shaped bar which pulls back latch bolt when turned. The locking mechanism typically prevents the bolt from being retracted by force. The bolt can be engaged in its strike plate only after the door is closed. Latches range in complexity from flexible one-piece flat springs of metal or plastic, such as are used to keep blow molded plastic power tool cases closed, to multi-point cammed latches used to keep large doors closed.Ĭommon types Deadbolt latch Ī deadbolt latch is a single-throw bolt. Depending upon the type and design of the latch, this engaged bit of hardware may be known as a keeper or strike.Ī latch is not the same as the locking mechanism of a door or window, although often they are found together in the same product. A latch typically engages another piece of hardware on the other mounting surface. A latch or catch (called sneck in Northern England and Scotland) is a type of mechanical fastener that joins two (or more) objects or surfaces while allowing for their regular separation.
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