Lock for lever-handled door latch

Details Lock for lever-handled door latch Lock for lever-handled door latch

E - Fixed Constructions

05

B

E05B 65/00 (2006.01) E05B 13/00 (2006.01)

Patent

CA 2471315

A door lock is provided for use with a door handle having a lever movable about a shaft extending perpendicularly to the lever and connected to a latch mechanism which controls the opening and closing of a door. The lock includes a housing configured to be coupled to the door handle and a blocking member movable relative to the housing between a lever-blocking position blocking movement of the lever to prevent opening of the door and a lever-releasing position permitting movement of the lever to permit opening of the door. From the lever-blocking position, the blocking member is moved to the lever-releasing position by first pushing the blocking member inwardly against a spring to free the blocking member, and then moving the blocking member relative to the housing.

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