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.

Date of Patent:
Jan. 20, 2004

Filed:

Dec. 08, 1998
Applicant:
Inventors:

Yuji Ikedo, Saitama-ken, JP;

Yoshimitsu Fukushima, Saitama-ken, JP;

Hitoshi Nagata, Saitama-ken, JP;

Atsushi Yamane, Saitama-ken, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 1/724 ;
U.S. Cl.
CPC ...
G11B 1/724 ;
Abstract

An annular disc holder is provided for holding a plurality of discs. The disc holder is rotatably mounted on a base and is guided by a guiding device provided between the disc holder and the base so as to be rotated about an axis.


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