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:
Jan. 04, 2022

Filed:

Jun. 24, 2020
Applicant:

Kubota Corporation, Osaka, JP;

Inventors:

Yukifumi Yamanaka, Osaka, JP;

Sumio Yagyu, Osaka, JP;

Go Takaki, Osaka, JP;

Assignee:

KUBOTA CORPORATION, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60L 50/16 (2019.01); A01C 19/02 (2006.01); A01B 71/06 (2006.01); B60K 25/06 (2006.01); B60L 1/00 (2006.01);
U.S. Cl.
CPC ...
B60L 50/16 (2019.02); A01B 71/06 (2013.01); A01B 71/063 (2013.01); A01C 19/02 (2013.01); B60K 25/06 (2013.01); B60L 1/20 (2013.01);
Abstract

A working device connected to a traveling vehicle having a prime mover and configured to perform an agricultural work, includes: a working portion to perform an agricultural work; an electric motor to be driven by electric power; a power transmission mechanism to which power generated by the electric motor is inputted, configured to transmit the power to the working portion; a regeneration resistor to consume a regenerative power generated in the electric motor; a switch portion to switch, between a connecting state and a shut-off state, a state established between the electric motor and the regeneration resistor; and a controller portion to control driving of the electric motor and switching of the switch portion.


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