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. 09, 2024

Filed:

May. 27, 2022
Applicant:

Kubota Corporation, Osaka, JP;

Inventors:

Tsuyoshi Gono, Osaka, JP;

Naoya Nihei, Osaka, JP;

Keiji Takahashi, Osaka, JP;

Susumu Takeoka, Osaka, JP;

Shusaku Yamaguchi, Osaka, JP;

Yoichi Sugihara, Osaka, JP;

Assignee:

KUBOTA CORPORATION, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60K 17/06 (2006.01); B60K 17/10 (2006.01); B60K 23/02 (2006.01); B62D 49/06 (2006.01); F16H 59/54 (2006.01); F16H 61/4035 (2010.01); F16H 61/431 (2010.01);
U.S. Cl.
CPC ...
B60K 17/06 (2013.01); B60K 17/10 (2013.01); B60K 23/02 (2013.01); B62D 49/06 (2013.01); F16H 59/54 (2013.01); F16H 61/4035 (2013.01); F16H 61/431 (2013.01);
Abstract

The work vehicle includes a vehicle body provided with a travel device; a prime mover provided in the vehicle body; a transmission device capable of speed-changing a driving force from the prime mover and transmitting the driving force to the travel device; a transmission case housing the transmission device and being filled with lubricating oil; and a controller capable of switching between a warm-up operation mode in which a gear of the transmission device is rotated in a state in which transmission of power from the transmission device to the travel device is blocked and a travel operation mode in which the gear is rotated in a state in which the power is transmitted from the transmission device to the travel device.


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