Motion generating mechanism

Details Motion generating mechanism Motion generating mechanism

1984-03-05

1986-02-11

Cohan, Alan

Machine element or mechanism

Gearing

Adjustable

74 52, 192 56R, F16H 3502

Patent

active

045692408

ABSTRACT:
A motion generating mechanism having a gear and rack (or alternately a sprocket and chain) output comprises a housing mounting a prime mover coupled through a gear to drive a primary rotary member about a first fixed axis in which a sun gear is concentrically disposed. The primary rotary member carries one or more roller gears that are engaged by the sun gear such that the roller gears rotate about a second axis which is parallel to the first axis and angularly movable with respect to the first axis as the primary gear is driven by the electric motor. Each roller gear has an inner portion on which is mounted a crank shoe adapted to movably engage a slotted section formed in a plate member that is, in turn, adapted to drive a gear that is axially displaced from the axis of rotation of the plate member. The gear, in turn, in connected to a gear step-up member drive for driving the gear and rack (or sprocket and chain) assembly.

REFERENCES:
patent: 3282387 (1966-11-01), Becker et al.
patent: 3599067 (1971-08-01), Wallis
patent: 3857292 (1974-12-01), Brems
patent: 4020708 (1977-05-01), Obra
patent: 4089228 (1978-05-01), Obra
patent: 4269076 (1981-05-01), Obra
patent: 4373923 (1983-02-01), Kilwin

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