Planetary gear transmission systems or components – Variable speed or direction transmission combined with...
Reexamination Certificate
2011-04-05
2011-04-05
Estremsky, Sherry (Department: 3655)
Planetary gear transmission systems or components
Variable speed or direction transmission combined with...
C475S204000, C475S221000
Reexamination Certificate
active
07918757
ABSTRACT:
A drive unit includes a gearset alternately producing forward and reverse drive, an inter-axle differential dividing torque at an output of the gearset between first and second wheel sets, and an inter-wheel differential dividing torque transmitted to the first wheel set differentially between wheels comprising the first wheel set.
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Estremsky Sherry
Ford Global Technologies LLC
Kelley David B.
MacMillian Sobanski & Todd, LLC
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