Machine element or mechanism – Gearing – Plural power paths to and/or from gearing
Patent
1984-11-05
1986-09-30
Dorner, Kenneth J.
Machine element or mechanism
Gearing
Plural power paths to and/or from gearing
74687, F16H 3706, F16H 4704
Patent
active
046141324
ABSTRACT:
A cross drive steering transmission has all rotating groups rotatable about a single centerline and includes an input gear at the longitudinal center of the transmission, range gearing on one side of and driven by the input gear, a hydrostatic steer drive on the other side of and driven by the input gear, a first planetary differential gear set outboard of the range gearing having a planet carrier driven by the range gearing and a ring gear drive connected to one output shaft of the transmission, a second planetary differential gear set outboard of the steer drive having a ring gear drive connected to a second output shaft of the transmission, an inner cross shaft drive connecting the planet carriers of the first and second differential gear sets, a steer transfer gear set between the steer drive and the second differential gear set having a sun gear driven by the steer drive and meshing with primary planet gears and secondary planet gears meshing with the primary planet gears and primary and secondary ring gears meshing with the primary and secondary planet gears, and a pair of outer cross shafts around the inner cross shaft drive connecting the primary and secondary ring gears and respective ones of the sun gears in the first and second differential gear sets.
REFERENCES:
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patent: 3292458 (1966-12-01), Livezey
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patent: 3378119 (1968-04-01), Schaefer
patent: 3383953 (1968-05-01), Christenson
patent: 3425296 (1969-02-01), Livezey
patent: 3752010 (1973-08-01), Tipping
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patent: 3864990 (1975-02-01), Lacoste
patent: 3869939 (1975-03-01), Miyao et al.
patent: 4164155 (1979-08-01), Reed et al.
patent: 4164156 (1979-08-01), Reed
patent: 4286478 (1981-09-01), Kessinger, Jr.
Dorner Kenneth J.
General Motors Corporation
Schwartz Saul
Wright Dirk
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