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:
Jul. 20, 1993
Filed:
Aug. 04, 1992
Applicant:
Inventors:
Shingo Katagiri, Kanagawa, JP;
Osamu Suzuki, Kanagawa, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
360132 ; 242199 ;
Abstract
A magnetic tape cassette in which protrusions made of low friction resin are formed on the inner walls of the upper and lower halves by a two-color molding method in such a manner that they are located in correspondence at least to the magnetic tape winding diameter so as to be in contact with the edges of the magnetic tape. The protrusions of low friction resin replace the friction sheets in the conventional magnetic tape cassette, whereby the number of components and the number of manufacturing steps are reduced, with the result that the manufacturing cost is also reduced.