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:
Nov. 05, 2002
Filed:
May. 15, 2001
Applicant:
Inventor:
Mikio Sekine, Fukushima-ken, JP;
Assignee:
Alps Electric Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/100 ;
U.S. Cl.
CPC ...
H02K 1/100 ;
Abstract
A spindle motor rotor having windows at plural place in a flange of a rotor yoke of a spindle motor; as well as projections producing outwards through the windows, integrally provided in some areas of a ring rotor magnet fitted to the inner circumference of the flange, wherein the rotor magnet is joined to the rotor yoke by welding these projections and one of the projections stretches over both an N pole and an S pole of the rotor magnet.
Sekine, Mikio. (2002). Spindle motor rotor, index signal output device, and floppy disk drive having the same (U.S. Patent No. 6476528). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6476528
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile