E - Fixed Constructions – 05 – B
Patent
E - Fixed Constructions
05
B
292/3
E05B 43/00 (2006.01)
Patent
CA 2007697
TIMED DOOR LOCKING DEVICE ABSTRACT OF THE DISCLOSURE A door lock having a first member rigidly affixed adjacent a door and having a second member slidably coupled to the first member for slidably advancing the second member in a first direction into a locked position overlying the door. A latch member is carried by the second member for slidable advance of the latch member in a second direction so as to releasably latchingly engage the latch member within a latch aperture on the first member, thereby locking the second member in the locked position. A timer is carried by the second member for withdraw- ing the latch member from the latch aperture upon expiry of a pre-determined time interval thereby allowing the slidable withdrawal of the second member from the locked position into an open position away from the door.
Gibson Alfred G.
Oyen Wiggs Green & Mutala
LandOfFree
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