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. 02, 2003
Filed:
Mar. 29, 2000
Tetsuhiro Shiomi, Kanagawa, JP;
Tomoaki Morishita, Shizuoka, JP;
Sony Corporation, Tokyo, JP;
Abstract
There is a problem that a high fitting accuracy between the table body and a chucking ring of a turntable is requested because the table body and the chucking ring are separately constituted and the chucking ring is integrated with the table body by fitting the ring to the body. The present invention relates to a disk drive comprising a turntable ( ) on which an optical disk ( ) used to reproduce an information signal is mounted and a spindle motor ( ) to whose rotating portion the turntable ( ) is set. The turntable ( ) is provided with a mounting portion ( ) on which the optical disk ( ) is mounted and a fitting portion ( ) to be fitted to the center hole ( ) of the optical disk ( ) and having an elastic piece ( ) to be pressure-welded to the inner periphery of the center hole ( ), in which the mounting portion ( ) and the fitting portion ( ) are formed into one body.