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. 14, 1984
Filed:
Aug. 20, 1982
Applicant:
Inventor:
Shigeru Iwasawa, Kanagawa, JP;
Assignee:
Bridgestone Tire Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
4001961 ; 400197 ; 4002021 ; 4002351 ; 29132 ;
Abstract
An ink ribbon cartridge comprises a cartridge housing, an endless length of ink ribbon received in the housing, and a take-up roller and a pinch roller for transporting the ribbon and guiding the ribbon in a repetitively folded manner, characterized in that at least one of said take-up and pinch rollers consists of a compressed body of flexible or semi-rigid polyurethane foam. The use of compressed flexible or semi-rigid polyurethane foam results in improved rollers which have the good ribbon driving performance and driving stability.