Machine element or mechanism – Gearing – Plural power paths to and/or from gearing
Patent
1976-01-15
1977-05-03
Scott, Samuel
Machine element or mechanism
Gearing
Plural power paths to and/or from gearing
74801, 74391, 180 43B, F16H 5710, F16H 128, F16H 3500, B60K 1704
Patent
active
040207161
ABSTRACT:
In a planetary transmission wheel drive mechanism, particularly for applying driving torque to the driving wheels of heavy duty ground engaging vehicles such as trucks, tractors and the like a pair of planetary gear sets are employed in series connection in such a manner that one of the planetary gear sets has its sun gear on a drive shaft and its planetary carrier rotatably mounted in a stationary hub. Planetary pinion gears supported by the planetary carrier mesh with a gear ring which is fixed to the aforesaid hub. The other planetary gear set consists of a sun gear which is supported by an extension of the planetary carrier of the first mentioned planetary gear set. The sun gear of the second planetary gear set meshes with planetary pinion gears which, in turn, engage with a gear ring.
The invention consists in that the extension carrying the sun gear of the second mentioned planetary gear set is detachably connected to the planetary carrier of the first mentioned gear set while the gear rings of both planetary gear sets form a constructional unit. Thereby, the planetary transmission wheel drive mechanism is convertible from a double stage planetary transmission into a single stage device.
REFERENCES:
patent: 1768225 (1930-06-01), Whitney
patent: 2529330 (1950-11-01), Double
patent: 3115204 (1963-12-01), Dence
patent: 3365986 (1968-01-01), Mazziotti
patent: 3443655 (1969-05-01), Beck et al.
patent: 3502166 (1970-03-01), Christenson et al.
patent: 3756095 (1973-09-01), McCay, Jr. et al.
Prepost Kalman
Toth Istvan
Chandler Lance W.
Magyar Vagon es Gepgyar
Scott Samuel
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