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:
Jun. 20, 1989
Filed:
Mar. 31, 1988
Applicant:
Inventors:
Sheldon D Roberts, Versailles, KY (US);
Louann B Samuels, Scott County, KY (US);
David T Shadwick, Lexington, KY (US);
Assignee:
International Business Machine Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
400208 ; 400196 ;
Abstract
A fabric ribbon (13) is stuffed in a cartridge chamber (11). Two pinch rollers (35 and 39) are driven by a third roller (29). The direction for forces from the pinch rollers is toward a wall portion (9a), which is near an opening having a dam (ridge 67) which leads to chamber (74) have an exit slot (71) located near the wall portion (9a). The drive roller (29) is positioned to be located where the drive roller of an existing cartridge was located, making this cartridge interchangeable with a cartridge for a spool-to-spool ribbon.