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.
Patent No.:
Date of Patent:
Jan. 23, 2024
Filed:
Sep. 28, 2018
Applicant:
Komatsu Ltd., Tokyo, JP;
Inventors:
Takahisa Oasa, Tokyo, JP;
Kiyotaka Ninomiya, Tokyo, JP;
Assignee:
KOMATSU LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F 3/43 (2006.01); E02F 9/26 (2006.01); E02F 3/28 (2006.01); E02F 3/42 (2006.01); E02F 9/20 (2006.01); E02F 9/22 (2006.01);
U.S. Cl.
CPC ...
E02F 9/265 (2013.01); E02F 3/283 (2013.01); E02F 3/422 (2013.01); E02F 3/434 (2013.01); E02F 9/2004 (2013.01); E02F 9/2041 (2013.01); E02F 9/2203 (2013.01);
Abstract
A work vehicle includes a vehicle body, a work implement including a boom attached to the vehicle body and an attachment attached to a tip end part of the boom, a first actuator configured to rotate the boom up and down, and a controller configured to execute an automatic lowering control in order to automatically rotate and lower the boom. The controller is further configured to set the first actuator to a floating state when it is detected that the attachment has reached a predetermined position during an execution of the automatic lowering control.