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:
Feb. 04, 2025
Filed:
Sep. 16, 2021
Hitachi Construction Machinery Co., Ltd., Tokyo, JP;
Kazuyuki Ito, Kobe, JP;
HITACHI CONSTRUCTION MACHINERY CO., LTD., Tokyo, JP;
Abstract
A wheel loaderas a construction machine has a hydraulically driven working deviceand a controllerA for measuring the weight of a load, wherein the wheel loaderincludes a changeover switchas a changeover device for switching whether to measure the weight of the load, and in a case where an attitude of the working devicesatisfies a predetermined load measurement condition, the changeover switchis valid, and pistonsare positioned in a first area provided on one end side or in a second area provided on the other end side, the controllerA limits the command current to be output to lift arm solenoid proportional valvesand the bucket solenoid proportional valves