Patio door lock

Details Patio door lock Patio door lock

E - Fixed Constructions

05

C

292/20

E05C 1/12 (2006.01) E05C 9/04 (2006.01) E05B 15/00 (2006.01) E05B 15/04 (2006.01) E05B 65/08 (2006.01)

Patent

CA 1163658

Abstract A patio door lock having a linkage for reciprocating movable bolts in the top and bottom of the door into and out of locked positions. A six bar linkage is provided to reciprocate bolt rods connected to the bolts by axially directed forces. A tension spring biases the bolt rods together, and stops are provided to limit an over-center motion of the linkage as assisted by the tension spring, one stop holding the linkage and bolt bars in the locked position.

369630

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