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. 07, 1992
Filed:
Oct. 30, 1990
Takamasa Itsu, Kanagawa, JP;
Nippon Seiko K.K., Tokyo, JP;
Abstract
In a hard disk driving motor comprising: an armature winding rotatably supported around the rotary shaft through a rolling bearing; and rotor magnets fixedly mounted on the inner wall of a hub secured to one end of the shaft in such a manner that they confront with the outer cylindrical wall of the armature winding, the bearing is a rolling bearing with plural race tracks which comprises an outer race in the inner wall of which a plurality of outer tracks are formed, and the armature winding is fixedly mounted directly on the outer wall of the outer race, to reduce the outside diameter of the motor.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile