Planetary gear transmission systems or components – Planetary gearing or element – Plural planet carriers in series move at different speeds
Reexamination Certificate
2007-02-27
2007-02-27
Ho, Ha (Department: 3681)
Planetary gear transmission systems or components
Planetary gearing or element
Plural planet carriers in series move at different speeds
C475S903000, C180S369000, C180S372000
Reexamination Certificate
active
10738442
ABSTRACT:
A final drive assembly for transmitting torque between an input and an output includes a compound gear assembly. The compound gear assembly includes at least three planetary gear trains and is in driving engagement with the input. Each planetary gear train of the at least three planetary gear trains is adapted to coactively and drivingly engage the output, wherein torque generated by the input is distributed to the output by each of the planetary gear trains.
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Caterpillar Inc
Hanley Steven M.
Ho Ha
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