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:
Sep. 15, 2026
Filed:
Jul. 10, 2023
Daifuku Co., Ltd., Osaka, JP;
Hiroshi Otsuka, Hinocho, JP;
Daifuku Co., Ltd., Osaka, JP;
Abstract
A transport vehicle includes a body including a first wheel and a second wheel, a first drive device that drives the first wheel, a second drive device that drives the second wheel, and a control device, the control device controlling the first drive device and the second drive device in such a manner that a torque ratio of a wheel with increased load, which is a ratio of a torque transmitted to the wheel with increased load to a sum of a first wheel torque and a second wheel torque, is higher while the body is accelerating and decelerating than while the body is traveling at constant velocity, where the wheel with increased load is one of the first wheel and the second wheel that is subjected to an increase in vertical downward load that increases in response to acceleration or deceleration of the body.