Electric door lock actuator

Details Electric door lock actuator Electric door lock actuator

E - Fixed Constructions

05

C

70/3

E05C 17/00 (2006.01) E05B 65/12 (2006.01)

Patent

CA 1273215

Abstract Electric Door Lock Actuator An electric door lock actuator and door lock and latch mechanism are disclosed having manual and electric driven locking means. A combination of a lost motion coupling and resilient spring means for driving the motive means to a neutral position are utilized to effectively isolate the electric motor and gearing from the locking means such that the locking means may be operated manually without back-driving the electric motor and intermediate gearing. A specific rack defining a portion of the loss motion coupling together with a pair of springs mounted to engage a shoulder extending from a rack are disclosed to achieve the above function.

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