Latch (hardware)

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Please improve this article if you can. (February 2006)
Window latch
Window latch
Door latch
Door latch
Latch
Latch

A latch is a type of mechanical hardware, specifically a fastener, that is used to join two (or more) objects or surfaces together while allowing for the regular or eventual separation of the objects or surfaces.

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.

A latch typically engages another piece of hardware on the other mounting surface. Depending upon the type and design of the latch, this engaged bit of hardware may be known as a keeper or a strike.

  • Spring
    • a) Passage/Privacy
    • b) Deadlatch (Entry) includes an extra tongue
    • c) Deadbolt latch (Single throw bolt)
  • Slam
  • Compression
  • Draw (Over & Under-Center)
  • Rotary
  • Cam
Retrieved from "http://en.wikipedia.org/wiki/Latch_%28hardware%29"
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