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:
Jun. 15, 2004
Filed:
Dec. 17, 1999
Applicant:
Inventors:
Tetsuhiro Shiomi, Kanagawa, JP;
Tomoaki Morishita, Shizuoka, JP;
Assignee:
Sony Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 2/102 ;
U.S. Cl.
CPC ...
G11B 2/102 ;
Abstract
A disk drive apparatus for recording (writing) and/or reproducing (reading) an information signal by rotating an optical disk, and moving an optical pick-up device along an information recording face of the optical disk. A base chassis rotationally supports a turntable on which the optical disk is loaded. A head feed mechanism suitable for use in the disk drive apparatus includes a pick-up feed mechanism having a feed shaft for moving the optical pick-up device toward and away from the turntable. A bearing portion of the feed shaft is provided integrally with the base chassis.