Power door lock device with a spring retracted gear wheel

Details Power door lock device with a spring retracted gear wheel Power door lock device with a spring retracted gear wheel

1991-01-14

1992-04-21

Nicholson, Eric K.

Closure fasteners

Bolts

Swinging

292337, 292DIG23, E05C 326

Patent

active

051061333

ABSTRACT:
A power actuator for a door lock device comprising an electric motor driving a worm gear, a gear wheel driven by the worm gear, a handling lever driven by an arcuate projection on the gear wheel and a locking arm rotated by the handling lever. The wheel gear has a peripheral groove with a portion of reduced width for supporting opposite ends of an elongate coil spring; which is compressed in a direction corresponding to the rotation of the gear wheel. An arcuate segment projects axially from the gear wheel. The opposite ends of the arcuate segment and the handling lever is shaped to provide point contact with the handling lever upon initial engagement and surface contact as the arcuate projection moves the handling lever to the locking and unlocking position. A contact is disposed on a base plate; and contacts on the handling lever slidably engage the contacts on the base plate to detect the locking and unlocking position of the handling lever.

REFERENCES:
patent: 4364249 (1982-12-01), Kleefeldt
patent: 4452058 (1984-06-01), Noel
patent: 4518181 (1985-05-01), Yamada
patent: 4518182 (1985-05-01), Cousin et al.
patent: 4624491 (1986-11-01), Vincent
patent: 4652027 (1987-03-01), Quantz
patent: 4664430 (1987-05-01), Bernard
patent: 4727301 (1988-02-01), Fulks et al.
patent: 4735447 (1988-04-01), Kleefeldt
patent: 4904006 (1990-02-01), Hayakawa et al.
patent: 4905528 (1990-03-01), Kanagucni et al.
patent: 4905532 (1990-03-01), Fukumoto et al.

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