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:
May. 12, 1987
Filed:
Oct. 22, 1985
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
An electromagnetic coupling device comprises a shaft member made of a non-magnetic material having a low frictional resistance, a yoke mounted on the shaft member so as to be capable of relatively rotating to the shaft member, an exciting coil held in the yoke, a first coupling body mounted on the shaft member so as to be incapable of relatively rotating, and a second coupling body mounted on the shaft member so as to be capable of relatively rotating to the shaft member and controlled to be connected to the first coupling body by actuating the exciting coil.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile