Drive assembly

Details Drive assembly Drive assembly

1974-03-04

1976-07-20

Scott, Samuel

Machine element or mechanism

Gearing

Central driving shaft in axle

74801, 192 91A, 180 66F, 180 65F, F16H 3500, F16H 128, F16D 1344, B60K 300

Patent

active

039699501

ABSTRACT:
An improved drive assembly includes a gerotor-type hydraulic motor having a housing connected to a frame. An output member is rotatably mounted on a hollow spindle which is integrally formed with the motor housing. Operation of the motor rotates an input shaft which is disposed within the spindle and is connected with the output member through a gear arrangement. In order to tend to minimize the axial extent of the drive assembly, the gear arrangement is located inwardly of an outer end of the spindle. The gear arrangement includes a central or sun gear which is disposed within the spindle. A plurality of idler gears extend through openings formed in the spindle into engagement with the central gear. These idler gears meshingly engage a ring gear which is fixedly connected with the output member. The gerotor-type hydraulic motor includes a wobble shaft which is connected with the input shaft to the central gear by a coupling member. A stop member is movable in the spindle to disengage the input shaft from the central gear to deactivate the drive assembly.

REFERENCES:
patent: 2665674 (1954-01-01), Metsger et al.
patent: 2742991 (1956-04-01), Gilbert et al.
patent: 2763160 (1956-09-01), Buckendale
patent: 2799182 (1957-07-01), Butler
patent: 3272295 (1966-09-01), Clements
patent: 3320828 (1967-05-01), Grant
patent: 3686978 (1972-08-01), Knoblach et al.
patent: 3749195 (1973-07-01), Vegners
patent: 3780834 (1973-12-01), Lottridge et al.

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