Planetary speed reducer

Details Planetary speed reducer Planetary speed reducer

1981-04-27

1984-02-07

Staab, Lawrence J.

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74785, 74797, 74801, F16H 344

Patent

active

044295944

ABSTRACT:
A planetary speed reducer having a movable output ring gear; a stationary or fixed ring gear; the ring gears having different numbers of rigid involute teeth, different pitch diameters, equal internal diameters and equal base pitches; a sun gear; and at least one planetary gear mounted for engagement with the sun gear and with each of the ring gears.

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patent: 1431167 (1922-10-01), McCollum
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patent: 3675510 (1972-07-01), Duggar
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patent: 4040312 (1977-08-01), Tappan et al.
patent: 4043226 (1977-08-01), Buuck
patent: 4091688 (1978-05-01), Huffman
patent: 4116293 (1978-09-01), Fukui

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