Door furniture

Details Door furniture Door furniture

E - Fixed Constructions

05

C

292/43

E05C 1/12 (2006.01) E05B 3/06 (2006.01) E05B 13/00 (2006.01) E05C 1/16 (2006.01)

Patent

CA 1097387

ABSTRACT OF THE DISCLOSURE Door lock apparatus in which a door latch mechanism is operated by inner and outer door handles coupled to a latch shaft extending through the latch mechanism. Handles are coupled to ends of latch shaft by coupling devices enabling door to be locked from the inside to prevent entry from the outside but can still be opened from the inside by normal operation of outside handle. Inside coupling device has limited lost-motion which is used to operate cam device to unlock the door on actuation of inner handles.

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