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:
Mar. 18, 2014
Filed:
Sep. 14, 2012
Applicant:
Masahiro Nishidate, Isesaki, JP;
Inventor:
Masahiro Nishidate, Isesaki, JP;
Assignee:
Tokyo Parts Industrial Co., Ltd., Gunma-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 17/028 (2006.01);
U.S. Cl.
CPC ...
Abstract
A cylindrical member is fixed to an upper portion of a rotary shaft and a clamper presses an optical disc in contact with the top of a turntable. The structure is such that a first bottom face of the cylindrical member that faces a clamping magnet in the axial direction is positioned below an opposite face of the clamper that faces the clamping magnet in the axial direction.