E - Fixed Constructions – 05 – B
Patent
E - Fixed Constructions
05
B
E05B 47/04 (2006.01) E05B 7/00 (2006.01) E05B 17/20 (2006.01) E05B 47/02 (2006.01) E05B 63/00 (2006.01)
Patent
CA 2323996
The present invention relates to a door unlocking device which is spring loaded and engages the latching bolt that is retractable to unlock the door and which automatically returns to extended door locking position when the handle is released. -1-
3512479 Canada Inc.
Lavergne Jean-Guy
LandOfFree
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