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. 27, 2026
Filed:
Dec. 05, 2022
Applicant:
Kubota Corporation, Osaka, JP;
Inventors:
Assignee:
KUBOTA CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E02F 9/22 (2006.01);
U.S. Cl.
CPC ...
E02F 9/2253 (2013.01); E02F 9/2296 (2013.01);
Abstract
In a working machine, a controller decreases a supply amount of a hydraulic fluid from a travel pump to a travel motor based on a travel state of a machine body when a speed-change instruction of increasing or decreasing speed is output by operating a switch, and a pressure detector detects a travel pressure that is a pressure of a hydraulic fluid delivered by the travel pump to the travel motor. In accordance with the travel pressure detected by the travel pressure detector, the controller changes a delay period lasting up to a switching timing of the travel switching valve from an output timing of the speed-change instruction of the switch.