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. 09, 1990
Filed:
Dec. 30, 1987
Hiroshi Shimizu, Yokohama, JP;
Naohiro Ozawa, Yokohama, JP;
Toshihiko Gotoh, Tokyo, JP;
Kentaro Hamma, Yokohama, JP;
Takeshi Nomura, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
In a combination of a thermal transfer recording apparatus and an ink sheet cassette therefor, a take-up shaft of the ink sheet cassette has an outer diameter smaller than that of a supply shaft. A new ink sheet wound about the supply shaft to a location close to an inner wall surface of a supply shaft housing section of a cassette case is changed to a used ink sheet wrinkled due to heating by a thermal head. The used ink sheet having an increased thickness due to the wrinkles is taken up in the form of a roll about the take-up shaft. The roll of the used ink sheet entirely wound about the take-up shaft has such an outer diameter as to be out of contact with an inner wall surface of a take-up shaft housing section to thereby prevent contact of the take-up shaft with an inner wall surface of the cassette case due to an increase in the diameter of the roll of the used ink sheet wound about the take-up shaft.