Gear reducer

Details Gear reducer Gear reducer

1993-03-31

1995-03-21

Johnson, Blair M.

Supports

Stand

Horizontally movable support surface

475162, F16M 1300

Patent

active

053989040

ABSTRACT:
A gear reducer includes a first non-rotatable gear. A second transfer gear formed of a resilient material engages the first gear. The second gear is eccentrically driven about the first gear by an eccentric collar mounted in the second gear and coupled to a motor output shaft. The second transfer gear nutatingly engages a rotatable third gear and moves one tooth of the third gear into alignment with one tooth of the first gear for each predetermined amount of rotation of the second transfer gear. A rotatable driven shaft is coupled to and rotated by the third gear. The first and third gears each have a plurality of gear teeth arranged at the same pitch circle diameter; but provided in a different number of teeth on each of the first and third gears to provide a selective reduction between the speed of rotation of the motor output shaft and the speed of rotation of the driven shaft coupled to the third gear.

REFERENCES:
patent: 4332418 (1982-06-01), Strowik
patent: 5209637 (1993-05-01), Reubeuze
patent: 5224749 (1993-07-01), Gauger et al.

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