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:
Aug. 18, 1992
Filed:
Mar. 19, 1991
Applicant:
Inventors:
Assignee:
Hitachi Maxell, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360132 ; 369291 ;
Abstract
A shutter for a cartridge is adapted to be mounted on a cartridge case of the cartridge so as to open and close a head insertion hole in the cartridge case housing a recording medium therein the shutter being made of a synthetic resin and includes a pair of opposed flat plate portions and a connecting plate portion interconnecting the pair of flat plate portions at proximal edges of the flat plate portions, the thickness of each of the flat plate portions increases progressively from the proximal edge thereof, disposed adjacent to the connecting plate portion, toward the other distal edge of the flat plate portion remote from the connecting plate portion and an apparatus for molding this shutter.