Locks – Operating mechanism – Predetermined time interval controlled
Patent
1990-12-27
1992-12-22
Luebke, Renee S.
Locks
Operating mechanism
Predetermined time interval controlled
70DIG41, 292DIG69, 292269, 194241, E05B 4300
Patent
active
051725770
ABSTRACT:
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 mate 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 seond member for withdrawing the latch member from the latch aperature 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.
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Boucher D.
Luebke Renee S.
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