E - Fixed Constructions – 05 – B
Patent
E - Fixed Constructions
05
B
E05B 47/00 (2006.01) E05B 9/10 (2006.01) E05B 63/04 (2006.01)
Patent
CA 2144132
ABSTRACT OF THE INVENTION A lock assembly which includes a key-driven shaft rotatable by a key and a lock drive shaft coupled to a locking bolt for driving the locking bolt to locking and unlocking positions. The assembly further includes an electrical motor having a motor transmission. Finally, the assembly includes a yieldable coupling which normally couples the motor transmission to the lock drive shaft in order to drive the locking bolt to locking or unlocking positions. The yieldable coupling is yieldable upon overload of the lock drive shaft to decouple the motor transmission therefrom. The key-driven shaft is axially displaceable to decouple it from the motor transmission, thereby enabling the key-driven shaft to drive the lock drive shaft and the locking bolt to locking or unlocking positions.
Aharoni Mordechai
Aharoni Shimon
Novik Avraham
Aharoni Mordechai
Aharoni Shimon
Novik Avraham
Swabey Ogilvy Renault
LandOfFree
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