Door lock device

Details Door lock device Door lock device

1991-01-11

1992-12-08

Nicholson, Eric K.

Closure fasteners

Bolts

Swinging

292DIG23, E05C 326

Patent

active

051691868

ABSTRACT:
A power operated door lock device having a locking arm for performing the locking and unlocking operation, a handling lever fro driving the locking arm and an electric actuator for rotating the handling lever through a predetermined angle. The actuator includes a motor with a worm gear fixed to the shaft. The worm gear has a plurality of teeth that are laterally disposed in position for driving and being driven by a wheel gear in mesh with the worm gear. An arcuate curved portion on the wheel gear engages the handling lever.

REFERENCES:
patent: 4502718 (1985-03-01), Sasaki et al.
patent: 4518181 (1985-05-01), Yamada
patent: 4520914 (1985-06-01), Kagiyama et al.
patent: 4569544 (1986-02-01), Escaravage
patent: 4735447 (1988-04-01), Kleefeldt
patent: 4904006 (1990-02-01), Hayakawa et al.
patent: 4905532 (1990-03-01), Fukumoto et al.

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