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. 19, 2016
Filed:
Apr. 26, 2012
Takashi Sato, Mito, JP;
Kazuhiro Sato, Hitachinaka, JP;
Ayumu Morita, Hitachi, JP;
Kenji Tsuchiya, Hitachi, JP;
Takao Kanno, Kitaibaraki, JP;
Toshio Nitta, Kitaibaraki, JP;
Takashi Sato, Mito, JP;
Kazuhiro Sato, Hitachinaka, JP;
Ayumu Morita, Hitachi, JP;
Kenji Tsuchiya, Hitachi, JP;
Takao Kanno, Kitaibaraki, JP;
Toshio Nitta, Kitaibaraki, JP;
Hitachi, Ltd., Tokyo, JP;
NOK Klueber Co., Ltd., Tokyo, JP;
Abstract
A slide electricity structure according to the present invention uses grease for electrical contacts wherein contact resistance does not gradually increase even when exposed to sliding and lifetime is long, and has a silver-plated spring contact that contacts or separates by way of sliding and grease for electrical contacts that has been applied to the spring contact and contains perfluoropolyether oil having an average molecular weight between 2600 and 12500 as a base oil and PTFE having a primary particle diameter of 1 μm or less as a thickener.