Machine element or mechanism – Gearing – Plural power paths to and/or from gearing
Patent
1979-04-05
1981-05-12
Husar, C. J.
Machine element or mechanism
Gearing
Plural power paths to and/or from gearing
74198, F16H 1550
Patent
active
042664462
ABSTRACT:
A high torque infinitely variable traction drive has concentric input and output shafts 22, 24 within portions disposed within a housing 12. A cup shaped input carrier 26 is rotatable with the input shaft and carries a pair of pins 46. Planetary members 54 are journaled on the pins, each of the planetary members in turn driving an output gear 62. The gears 62 are in turn interconnected with gearing 76 rotatable with the output shaft. A traction ring 60 is mounted within the housing 12 coaxial with the output shaft 24. The ring contacts an outer spherical surface 58 of the planetary members 54 to establish the rotational speed of the members. Means 82, 84, 102 are provided to axially shift the traction ring 60 relative to the outer spherical surface 58 of the planetary members whereby the speed of the members may be varied. A power take-off shaft 38 may be disposed within the output shaft 24, one end of the PTO shaft being coupled to the inner end of the input shaft 22. The traction ring 60 and traction surfaces 58 are of approximately the same radius whereby maximum torque can be transmitted from a given tangential force.
REFERENCES:
patent: 1771807 (1930-07-01), Mitchell
patent: 2836994 (1958-06-01), Weber
patent: 2874593 (1959-02-01), Legros
patent: 2886986 (1959-05-01), Kopp
patent: 3023642 (1962-03-01), Maichen
patent: 3822610 (1974-07-01), Erban
Husar C. J.
Massey-Ferguson Inc.
McKenzie Frank
Thompson John C.
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