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:
Mar. 12, 1991
Filed:
Sep. 30, 1988
Applicant:
Inventor:
Yoshitake Kato, Yuki, JP;
Assignee:
Hitachi Maxell Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360133 ;
Abstract
A disc cartridge including a disc sheet and a hub assembly formed by an upper half member and a lower half member, one of which has a positioning projection, and the disc sheet is provided with a hole engageable with the positioning projection so that the disc sheet can be placed in a correct position by fitting the hole of the disc sheet with the positioning projection.