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. 03, 2023
Filed:
Jan. 29, 2020
Hitachi Construction Machinery Tierra Co., Ltd., Koka, JP;
Abstract
An electric hydraulic excavator () includes an automotive lower traveling structure () and an upper revolving structure () mounted on the lower traveling structure () to be capable of revolving thereto. The upper revolving structure () includes a revolving frame () as a base, a counterweight () disposed on a rear side of the revolving frame (), and an electric power source () that is positioned on a front side of the counterweight () to be mounted on the revolving frame () and is power-fed from an external electric current source. The counterweight () is provided with a cable insertion hole () as disposed therein. A power feeding cable () is inserted in the cable insertion hole () for connection between the external electric current source and the electric power source ().