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:
Sep. 03, 2002
Filed:
Oct. 24, 2001
Applicant:
Inventors:
Shoichi Saito, Hachioji, JP;
Toru Wakabayashi, Machida, JP;
Assignee:
Olympus Optical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 7/14 ; H02K 1/100 ; H02K 5/16 ;
U.S. Cl.
CPC ...
H02K 7/14 ; H02K 1/100 ; H02K 5/16 ;
Abstract
This spindle motor has a base plate, a stator mounted on the base plate, a bearing provided on the base plate, a rotating shaft rotatably provided on the bearing, and a rotor fixed to the rotating shaft. The rotor is formed of a metallic magnetic substance and resin and is fixed to the rotating shaft at the magnetic substance, and a field magnet fixed to the rotor. The field magnet is pressed into and fixed to the rotor at a resin section of the rotor.