Closure fasteners – Operators with knobs or handles
Patent
1991-12-24
1992-09-22
Nicholson, Eric K.
Closure fasteners
Operators with knobs or handles
70264, 292201, 74404, 74421A, E05C 306, F16H 5700
Patent
active
051491567
ABSTRACT:
A power door-lock actuator has a housing adjacent the lock, a reversible electric motor in the housing having an output shaft extending along a motor axis, and an input gear fixed on the output shaft and rotatable thereby about the motor axis. A threaded spindle extending in the housing along a spindle axis adjacent the motor axis carries an output gear and a nut threaded on the spindle is movable along the spindle axis on rotation of the spindle between a pair of axially offset positions. A link connected between the nut and the lock can move the lock between its locked and unlocked positions on displacement of the nut between its end positions. A manual actuator, for instance an inside door-lock button, is coupled to the nut for manually displacing the nut between its end positions. A rocker pivotal about the shaft axia at the input gear carries a pair of connecting gears flanking and meshing with the input gear. This rocker is pivotal between angled positions in each of which a respective one of the connecting gears meshes with the output gear and through a central position with neither of the connecting gears meshing with the output gear. A spring urges the rocker into the central position so that torque transmitted to the rocker on rotation of the input gear pivots the rocker depending on input-gear rotation direction into one of its angled positions to couple the input gear to the output gear.
REFERENCES:
patent: 3103122 (1963-09-01), Reichelt
patent: 3397589 (1968-08-01), Moore
patent: 4137789 (1978-02-01), Herleth
patent: 4735447 (1988-04-01), Kleefeldt et al.
patent: 4862766 (1989-09-01), Molders
patent: 4974886 (1990-12-01), Kleefeldt et al.
patent: 4978154 (1990-12-01), Kleefeldt et al.
patent: 5056343 (1991-10-01), Kleefeldt et al.
patent: 5078436 (1992-01-01), Kleefeldt et al.
Dubno Herbert
Kiekert GmbH & Co.
Nicholson Eric K.
Wilford Andrew M.
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