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:
Oct. 01, 1985
Filed:
Aug. 30, 1982
Applicant:
Inventors:
Kazuo Ozawa, Tagajo, JP;
Tetsuo Sawa, Tagajo, JP;
Assignee:
Sony Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ; B65D / ;
U.S. Cl.
CPC ...
360133 ; 360 99 ; 360137 ; 206444 ;
Abstract
A flexible magnetic disc cassette contains a flexible magnetic disc which is driven by a shaft associated with a driving device. The disc is contained within a cover having an upper half and lower half. An anti-wearing member is attached on an inner surface of the upper half of the cover for abutment with the driving device shaft so as to correct warpage of the upper half of the cover.