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:
Aug. 28, 2001
Filed:
Oct. 27, 1999
Applicant:
Inventor:
Shunji Matsushima, Nagano, JP;
Assignee:
Kabushiki Kaisha Sankyo Seiki Seisakusho, Nagano, JP;
Primary Examiner:
Int. Cl.
CPC ...
H02K 5/24 ; G11B 2/122 ; G11B 1/704 ;
U.S. Cl.
CPC ...
H02K 5/24 ; G11B 2/122 ; G11B 1/704 ;
Abstract
A spindle motor includes a shaft,which is rotatably supported; a rotor casing,which is turned together with the shaft,; and a turn table,which is fixedly mounted on one end portion of the shaft,and is rotated with a disk,mounted thereon. An eccentric member,is loosely fitted on the part of the shaft,which is located between the rotor casing,and the turn table,. The eccentric member,is turned with the rotation of the rotor casing,. In place of the eccentric member, a ball may be arranged which is rolled around the shaft.