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US 12,559,908 B1Granted
Drive system with a tandem drive assembly
AssigneeCaterpillar Inc.
InventorsRichard Lee Leathers, Ethan Michael Tevis
Life of this patent
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Abstract
A tandem drive assembly includes a tandem housing, a first drive sprocket and a second drive sprocket arranged in the tandem housing and configured to engage a pair of wheels, and a continuously-variable drive. The continuously-variable drive is arranged in the tandem housing. The continuously-variable drive includes an input configured to receive power from a prime mover and an output coupled to the first drive sprocket. The output is operatively connected to the input.
Claims20
A tandem drive assembly, comprising:
- a tandem housing;
- a first drive sprocket and a second drive sprocket arranged in the tandem housing and configured to engage a pair of wheels;
- and
- a continuously-variable drive, arranged in the tandem housing, comprising:
- an input configured to receive power from a prime mover;
- and
- an output coupled to the first drive sprocket, the output operatively connected to the input.
4 more elements
A drive system, comprising:
- a first tandem drive assembly, comprising:
- a first continuously-variable drive, comprising:
- a first input;
- and
- a first output operatively connected to the first input;
- a second tandem drive assembly, comprising:
- a second continuously-variable drive, comprising:
- a second input;
- and
- a second output operatively connected to the second input;
- and
- an axle operatively coupled to the first input and the second input.
9 more elements
A motor grader, comprising:
- a steerable front portion coupled to a driven rear portion;
- a prime mover supported on the driven rear portion;
- a pair of rear wheels supporting the driven rear portion;
- and
- a tandem drive assembly, comprising:
- a tandem housing;
- a first drive sprocket and a second drive sprocket arranged in the tandem housing and engaging the pair of rear wheels;
- and
- a continuously-variable drive arranged in the tandem housing, the continuously-variable drive configured to receive power from the prime mover and configured to drive at least one of the first drive sprocket or the second drive sprocket.
6 more elements
Dependencies are inferred from the claim text.