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United States of America Patent

PATENT NO 9845857
SERIAL NO

15024157

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Provided is a combine with a speed-change power transmission apparatus including: a hydraulic static continuously variable transmission unit that receives an input of drive force from an engine, and subjects the drive force to speed change; and a planetary power transmission unit that combines the drive force from the engine and an output from the continuously variable transmission unit and outputs a combined drive force to a travelling apparatus, wherein a power transmission case can be made lighter at low cost. In this combine, a continuously variable transmission case portion of a power transmission case, which houses a continuously variable transmission unit, is formed integrally with a planetary power transmission case portion of the power transmission case, which houses a planetary power transmission unit. A partition that separates a continuously variable transmission compartment of the continuously variable transmission case portion and a planetary power transmission compartment of the planetary power transmission case portion from each other is provided within the power transmission case, the continuously variable transmission compartment housing the continuously variable transmission unit, and the planetary power transmission compartment housing the planetary power transmission unit.

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First Claim

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Patent Owner(s)

  • KUBOTA CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kato, Yuji Sakai, JP 121 1414
Nishida, Satoshi Sakai, JP 158 1043
Norita, Seiji Sakai, JP 4 14

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