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:
Jul. 19, 2011
Filed:
Feb. 17, 2010
Kenichi Shoda, Hitachi, JP;
Takuya Kurogi, Hitachi, JP;
Kenji Tsuchiya, Hitachi, JP;
Takumi Ishikawa, Hitachi, JP;
Naoki Nakatsugawa, Hitachinaka, JP;
Kenichi Shoda, Hitachi, JP;
Takuya Kurogi, Hitachi, JP;
Kenji Tsuchiya, Hitachi, JP;
Takumi Ishikawa, Hitachi, JP;
Naoki Nakatsugawa, Hitachinaka, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
Earthing equipment for a switchgear is comprised of a movable carrying cart, a switch portion, a manipulating portion, and a voltage detecting device. The earthing equipment is provided with: an upper conductor connected to any one of the movable electrode and the stationary electrode; a lower conductor connected to the other of the movable electrode and the stationary electrode, an earthing wire connecting the lower conductor to a terminal used for earthing of the switchgear; and an adaptor conductor being selectively connected to either a disconnection portion at a bus bar side or a disconnection portion at a cable side of the switchgear and is permitted to be selectively replaced on either upper or lower face of the upper conductor.