Gear drive assembly

Details Gear drive assembly Gear drive assembly

1979-05-24

1980-10-07

Husar, C. J.

Machine element or mechanism

Gearing

Directly cooperating gears

74425, 74458, 744595, F16H 116

Patent

active

042261368

ABSTRACT:
A compact drive assembly has a skew axis input gear set and a parallel axis output gear set. The input gear set includes a pinion having at least one helical thread thereon which drivingly engages a face gear. The face gear of the input gear set and the spur gear of the output gear set are integrally molded of a suitable plastic material forming a cluster gear. The output gear of the output gear set has a tooth configuration which is compatible with that of the spur gear which drives it. The gear assembly is particularly adapted for use in a power operated automobile window actuator and has the following advantages over existing actuators: (a) 50% reduction in size and weight, (b) capable of performing much higher input/output reductions despite decreased size, (c) needs no brake since the assembly is self-locking, (d) can be used with a smaller high speed motor which is less expensive.

REFERENCES:
patent: 2896467 (1959-07-01), Saari
patent: 2908187 (1959-10-01), Saari
patent: 2954704 (1960-10-01), Saari
patent: 3524361 (1970-08-01), Iyoi et al.
patent: 3631736 (1972-01-01), Saari
patent: 3665774 (1972-05-01), Bauhus et al.
patent: 3745849 (1973-07-01), Matte
patent: 3768326 (1973-10-01), Georgiev et al.
patent: 3871248 (1975-03-01), Barish
patent: 3977268 (1976-08-01), Seabrook
patent: 4034621 (1977-07-01), Ritter, Jr.

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