Closure locking mechanisms

Details Closure locking mechanisms Closure locking mechanisms

E - Fixed Constructions

05

C

E05C 1/06 (2006.01) E05B 63/06 (2006.01) E05C 9/04 (2006.01) E05B 15/04 (2006.01)

Patent

CA 2060400

ABSTRACT OF THE DISCLOSURE A locking mechanism for a closure such as a window comprises a body containing a gear wheel that is rotated by a handle. This rotation is converted to a locking action by actuating members which are provided with a helical thread which engages helical teeth on the gear wheel. Rotation in one sense throws the members out of the body to perform a locking action and reverse rotation retracts the members into the body in an unlocking action. The position of the members can be altered simply by screwing the members into and out of the body.

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