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. 14, 1997
Filed:
May. 23, 1995
Applicant:
Inventors:
Mineo Nozaki, Kawasaki, JP;
Osamu Asakura, Tokyo, JP;
Yoshio Uchikata, Kawasaki, JP;
Masasumi Nagashima, Yokosuka, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J / ; B41J / ;
U.S. Cl.
CPC ...
400208 ; 400234 ; 400249 ;
Abstract
An ink ribbon cassette has a case housing an ink ribbon inside. Holes for receiving positioning members are formed at the two ends of a front portion of the case, and an engaging member is formed at the center of a rear portion of the case. One of the positioning members also serves as an ink ribbon end detector. A printing apparatus for printing using such an ink ribbon cassette has a carriage, projections and a spring. Thus, the slackening of the ink ribbon will not occur in the printing mode.