Machine element or mechanism – Elements – Gear casings
Patent
1980-02-28
1982-05-18
Braun, Leslie
Machine element or mechanism
Elements
Gear casings
74694, 74695, 74760, 74761, F16H 3700, F16H 3708, F16H 5710
Patent
active
043298885
ABSTRACT:
A drive transmission unit for a motor vehicle incorporates an expansible-pulley stepless speed changer driving a differential unit via a selectively-operable reversing unit and a bevel-gear reduction stage. The speed changer has a primary shaft which serves as the input shaft of the transmission unit, and a hollow secondary shaft parallel to, and driven from, the primary shaft. An output shaft of the transmission unit extends coaxially through the secondary shaft of the speed changer with the input and output ends of the output shaft projection from opposite ends of the secondary shaft. The reversing unit, which is of epicyclic form, is driven by the secondary shaft and includes a rotatable output member mounted on the input end of the output shaft. The output end of the output shaft drives the bevel-gear reduction stage. The reversing unit can be set in one of three states in which respectively, the secondary and output shafts are arranged to rotate in the same sense, to rotate in opposite senses, and to be drivingly disengaged.
REFERENCES:
patent: 3090256 (1963-05-01), Hause
patent: 3375738 (1968-04-01), Love
patent: 3411382 (1968-11-01), Mori
patent: 4056988 (1977-11-01), Kubo et al.
patent: 4060012 (1977-11-01), Giacosa
patent: 4077282 (1978-03-01), Kress
patent: 4095487 (1978-06-01), Cartwright et al.
patent: 4228697 (1980-10-01), Miller
Braun Leslie
Fiat Auto S.p.A.
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