Geared motor for the drive of components, such as motor-vehicle

Details Geared motor for the drive of components, such as motor-vehicle Geared motor for the drive of components, such as motor-vehicle

1991-07-01

1992-09-08

Braun, Leslie A.

Planetary gear transmission systems or components

Planet periphery surrounds axis of interacting gear

74427, 475177, 475180, F16H 116, F16H 120, F16H 128

Patent

active

051454670

ABSTRACT:
This geared motor comprises an outlet shaft (2) of the motor (1), carrying two coaxial screws (3, 4) offset axially and of mutually opposed screw pitch, two gearwheels (5, 6) located on either side of the shaft and each interacting with a screw (3, 4), an axle (7, 8) fastened to each gearwheel and extended by a crankpin (9, 11) eccentric relative to the corresponding axle (7, 8) so as to be capable of executing rotations about this axle, an element (12) equipped with a toothing (13) and linked to the crankpins in such a way as, during the rotation of the crankpins, to be driven in a circular translational movement, the radius of which is equal to the eccentricity of the crankpins, and a member (16) equipped with an output shaft (18) connectable to the component to be driven and carrying a toothing (17) interacting with that of the element so as to bring about a rotation of the member (16) in a ratio determined by the difference in the numbers of teeth of the two toothings. This arrangement makes it possible to accommodate the geared motor in a very small space, while at the same time ensuring that it has sufficient resistance to very high torques.

REFERENCES:
patent: 3424036 (1969-01-01), Colgan
patent: 4177695 (1979-12-01), Grove
patent: 4674361 (1987-06-01), Parsons
patent: 4754660 (1988-07-01), Kobayashi et al.

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