Electrically-opened latch, in particular for motor vehicle doors

Details Electrically-opened latch, in particular for motor vehicle doors Electrically-opened latch, in particular for motor vehicle doors

1984-03-12

1986-11-25

Wolfe, Robert L.

Closure fasteners

Bolts

Swinging

70279, 74 8915, 185 40R, 292216, E05C 300

Patent

active

046244913

ABSTRACT:
The latch comprises a bolt 20 pivotally mounted on a support plate 10, a latch 3 cooperative with the bolt, a rotatable lever driven in rotation by an electric system 9, 7, 5, 6 for opening the latch for pivoting the catch 3 and releasing the bolt 20. The electric system comprises a motor 9 having a low reversibility torque and sufficient power, and a spiral return spring 8 which is stressed during the opening by the rotation of the motor 9, this spring 8 being capable of being resiliently released when the motor 9 is no longer carrying current, after the opening of the latch, so as to permit the return of the lever 4 and of the latch 3 to their initial position under the effect of their own springs 21, 29.

REFERENCES:
patent: 2943880 (1960-07-01), Joachim et al.
patent: 3359767 (1967-12-01), Arlauskas et al.
patent: 3504511 (1970-04-01), Allen
patent: 3655240 (1972-04-01), DuRocher et al.
patent: 4135377 (1979-01-01), Kleefeldt
patent: 4290634 (1981-09-01), Gelhard

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