Reversible latch assembly with integrated function

Details Reversible latch assembly with integrated function Reversible latch assembly with integrated function

E - Fixed Constructions

05

B

70/36, 292/42

E05B 63/08 (2006.01) E05B 59/00 (2006.01) E05B 63/04 (2006.01) E05B 63/14 (2006.01) E05B 63/18 (2006.01) E05B 65/10 (2006.01)

Patent

CA 1248773

9762-SL-SD REVERSIBLE LATCH ASSEMBLY WITH INTEGRATED FUNCTION A mortise lock having reversible features to permit accomodating both left and right hand door applications. The lock includes the novel features of a resilient fire stop, simultaneous retraction of both the dead bolt and latch bolt mechanism by operation of the interior handle, and a three-position thumb turn function which variously unlocks the lock, locks against operation of the latch bolt by the exterior handle and finally, locks the latch bolt against operation by the outside handle and deploys a secure dead bolt. Other features of the lock include clockwise and counter clockwise rotation of either handle, separate rotation of the inside and outside handle and an auxiliary latch which prevents externally induced retraction of the latch bolt when the door is closed. Features also include an auxiliary level handle assist spring. A new slide plate and cam operated lock works are provided to accomplish the locking function of the present invention.

467629

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