Delay action electronic timer lock with automatic...

Details Delay action electronic timer lock with automatic... Delay action electronic timer lock with automatic...

E - Fixed Constructions

05

B

70/3

E05B 49/00 (2006.01) E05B 43/00 (2006.01)

Patent

CA 2017150

DELAY ACTION ELECTRONIC TIMER LOCK WITH AUTOMATIC CANCELLATION CAM Abstract of the Disclosure A delay action time lock having a lock housing in which a spring action bolt is movably connected. A retracting cam is provided for engagement with a bolt retracting lever for retracting a locking end of the bolt in the housing by means of a key inserted in a key cylinder and after an electronic timer has initiated a first preset time delay count. A motor actuated support cam is provided for normally supporting the retracting lever in a disengaged position with the retracting cam. After the preset time delay count, the bolt retracting lever is liberated to be engaged by the retracting cam. After a second preset time delay or upon the actuation of a microswitch by the retracting lever, the motor actuated support cam is placed to support the retracting lever at its disengaged position so that as soon as the key cylinder is turned back to its initial position, the lock bolt is disengaged.

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