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:
Jan. 13, 1987
Filed:
Nov. 01, 1985
Applicant:
Inventors:
Kengo Oishi, Kanagawa, JP;
Masayoshi Moriwaki, Kanagawa, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65H / ; G11B / ;
U.S. Cl.
CPC ...
242197 ; 226196 ; 242 76 ;
Abstract
A magnetic tape cassette having an improved tape running performance brought about by improvements in tape guides of the cassette. In accordance with the invention, the tape guides are made of a synthetic resin whose surface resistivity is adjusted to fall within the range of 10.sup.3 to 10.sup.9 ohm-cm. Preferably, the guides are made of a plastic resin which contains a lubricant, carbon fibers, and carbon black.