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:
Dec. 22, 1987
Filed:
May. 09, 1986
Applicant:
Inventors:
Assignee:
Hitachi Maxell, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360133 ; 206444 ;
Abstract
In a disc cartridge comprising a cartridge case and a shutter slidably mounted on the cartridge case for opening and closing a head accessing opening, the shutter comprises a first plate and a second plate opposing to the first plate, a connection member for connecting the first plate and the second plate, and a projection formed on at least one of the first and second plates of the shutter in such a manner that the projection is slanted toward the connection member.
Kato, Yoshitake. (1987). Shutter assembly for use in a disc cartridge (U.S. Patent No. 4714973). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4714973
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile