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. 28, 1987
Filed:
May. 30, 1985
Applicant:
Inventors:
Takashi Sumida, Takatsuki, JP;
Sigeo Sasaki, Kyoto, JP;
Takao Ketori, Osaka, JP;
Kazuhiro Fujita, Nagaokakyo, JP;
Kenji Ogiro, Yokohama, JP;
Assignees:
Hitachi Maxell, Ltd., Osaka, JP;
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B / ; G11B / ;
U.S. Cl.
CPC ...
242198 ; 360132 ;
Abstract
A tape cartridge of the type having a pocket for drawing out a recording tape from the cartridge for tape loading and a shutter slidably mounted on the bottom portion of the cartridge for opening and closing the bottom opening of the pocket, and a plurality of ribs extending in a frontward and backward direction on the inner face of the shutter so as to assure a smooth sliding movement of the shutter.