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:
Sep. 06, 1983
Filed:
Sep. 25, 1981
Applicant:
Inventors:
William A Abell, Jr, Wilmore, KY (US);
James A Craft, Lexington, KY (US);
Michael L Morris, Lexington, KY (US);
Assignee:
International Business Machines Corp., Armonk, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
400208 ; 400196 ;
Abstract
A ribbon cartridge having a supply spool (3) and a take-up spool hub (27) to receive ribbon (1). Ribbon guide arms (9) are pivoted on pins (62) on the wall (17) of the cartridge. Downward bias is provided by a single spring (11) in a housing (13). A central section (60 ) is biased by the spring (11). The central section (60) may be grasped to move the guide arms 9 upward.