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:
Apr. 03, 2001
Filed:
Apr. 27, 1998
Applicant:
Inventor:
Taizo Fukuda, Miyagi, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 2/303 ;
U.S. Cl.
CPC ...
G11B 2/303 ;
Abstract
A disk cartridge includes a shell, a disklike recording medium rotatably accommodated in the shell, and a center core mounted to the disklike recording medium in the center thereof. The center core includes an upper-clearance defining portion which abuts on the upper inner surface of the shell to define an upper clearance between the upper inner surface of the shell and the upper side of the disklike recording medium, and a lower-clearance defining portion which abuts on the lower inner surface of the shell to define a lower clearance between the lower inner surface of the shell and the lower side of the disklike recording medium.