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:
Jun. 08, 2021
Filed:
Nov. 27, 2018
Hitachi Construction Machinery Co., Ltd., Tokyo, JP;
Tomoya Murazumi, Ushiku, JP;
Takenori Hiroki, Ami-machi, JP;
Hisashi Tago, Kashiwa, JP;
Hironori Itou, Kasumigaura, JP;
Hitachi Construction Machinery Co., Ltd., Tokyo, JP;
Abstract
A plus-side main connection line () connects electrical equipment (), () to a plus terminal (A) of a battery (). A plus-side isolating switch () is provided in the plus-side main connection line () to connect or disconnect the electrical equipment (), () and or from the plus terminal (A) of the battery (). A plus-side auxiliary connection line () connects a communication terminal () to the plus terminal (A) of the battery () in a position upstream of the plus-side isolating switch (). A minus-side main connection line () connects a minus terminal (B) of the battery () to ground. A minus-side isolating switch () is provided in the minus-side main connection line () to connect or disconnect the minus terminal (B) of the battery () and or from the ground.