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. 20, 1989
Filed:
Oct. 21, 1987
Applicant:
Inventors:
Assignee:
Nippon Seiko Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05F / ;
U.S. Cl.
CPC ...
361220 ;
Abstract
An electroconductive sliding apparatus for electrically connecting a first member to a second member, both of which members are relatively moving and electroconductive by means of an electroconductive contactor, said apparatus comprising: a magnetic fluid, which is retained by means of the magnetic force between said first and/or second members, placed at the slidable contact point of said first and/or second members with said contactor; said first and/or second members and said contactor being brought into close proximity capable of metal contact or electroconduction by means of the force applied to said contactor and at said slidable contact point at which said magnetic fluid is placed.