Lock for sliding patio door

Details Lock for sliding patio door Lock for sliding patio door

E - Fixed Constructions

05

C

292/20

E05C 9/18 (2006.01) E05C 9/04 (2006.01)

Patent

CA 1136674

ABSTRACT The invention relates to a lock for a patio door of the sliding type. The lock enables a door to be bolted simultaneously at the top and bottom by a single operating handle. A deadlock mechanism is incorporated operable by a conventional cylinder lock. In one arrangement the dead- lock and the bolting mechanism can be operated from both sides of the door. The basic mechanism of the lock consists of an operating tangent plate connected by pin and slot mechanism to a second tangent plate. Each tangent plate is in turn connected by a pin and slot mechanism to a slider plate and each slider plate is connected to a bolt. The deadlock includes a slidable locking plate movable by a cam mechanism operated by a cylinder lock.

345524

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