The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 18, 2023

Filed:

Dec. 06, 2019
Applicant:

Kubota Corporation, Osaka, JP;

Inventors:

Yuji Hirase, Osaka, JP;

Ryoma Iwase, Osaka, JP;

Tsuyoshi Gono, Osaka, JP;

Takuya Nishikubo, Osaka, JP;

Susumu Takeoka, Osaka, JP;

Tsubasa Kawazoe, Osaka, JP;

Atsushi Jinnai, Osaka, JP;

Assignee:

KUBOTA CORPORATION, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 47/04 (2006.01); B60K 17/06 (2006.01); B60K 17/10 (2006.01); B60K 17/28 (2006.01); F16H 37/08 (2006.01);
U.S. Cl.
CPC ...
F16H 47/04 (2013.01); B60K 17/06 (2013.01); B60K 17/10 (2013.01); B60K 17/28 (2013.01); F16H 2047/045 (2013.01);
Abstract

A work vehicle includes a hydrostatic stepless speed changer device configured to speed-change driving power of an engine steplessly, a plurality of planetary gear speed changer devices configured to speed-change the driving power speed-changed by the stepless speed changer device, a plurality of clutch mechanisms corresponding to the plurality of planetary gear speed changer devices in order to take off the driving powers from these plurality of planetary gear speed changer devices individually, and a traveling speed changer device for speed-changing and transmitting the driving powers transmitted from the plurality of clutch mechanisms to a traveling mechanism. The plurality of planetary gear speed changer devices the plurality of clutch mechanisms and the traveling speed changer device are accommodated in a transmission case.


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