Motor-vehicle door latch for remote actuation

Details Motor-vehicle door latch for remote actuation Motor-vehicle door latch for remote actuation

1996-01-17

1997-12-16

Boucher, Darnell M.

Locks

Special application

For automotive vehicles

70264, 70262, 2923363, 292201, E05B 6512, B60R 2504

Patent

active

056972369

ABSTRACT:
A motor-vehicle door latch has a pivotal fork and a latch element interfittable in a latched position and disengageable from each other in an unlatched position, a latch pawl engageable in a holding position with the fork to retain same in the latched position and disengageable in a releasing position from the fork to allow the fork to move into the unlatched position, and a pawl-actuating lever coupled to the pawl for displacing same between its holding and releasing positions. An inside actuating element and an outside lock cylinder can each displace the pawl between its positions. An actuator connected to the lever and electrically energizable from a rest position to an energized position displaces the pawl from its holding to its releasing position. A bistable relay having an input connected to a vehicular power supply and an output is displaceable between a closed position connecting its input and output together and an open position electrically disconnecting its output from its input. An outside actuating switch between the relay output and the actuator closes for electrically energizing the actuator from the power source in the closed position of the relay. A receiver is connected to the relay for displacing same into the closed position on receiving a predetermined signal from a remote transmitter.

REFERENCES:
patent: 3751950 (1973-08-01), Leger et al.
patent: 4554808 (1985-11-01), Escaravage
patent: 4802350 (1989-02-01), Periou
patent: 4827744 (1989-05-01), Namazue et al.
patent: 4895009 (1990-01-01), Kleefeldt et al.
patent: 4974886 (1990-12-01), Kleefeldt et al.
patent: 5240296 (1993-08-01), Kobayashi
patent: 5497641 (1996-03-01), Linde et al.

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