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. 09, 1994
Filed:
Feb. 26, 1993
Ronald W Baker, Versailles, KY (US);
Robert L Burdick, Nicholasville, KY (US);
Martin V DiGirolamo, Lexington, KY (US);
Paul D Horrall, Lexington, KY (US);
David L Merrifield, Lexington, KY (US);
James J Molloy, Lexington, KY (US);
Earl D Ward, II, Lexington, KY (US);
Bernard L Wilzbach, Lexington, KY (US);
Lexmark International, Inc., Greenwich, CT (US);
Abstract
A toner cartridge having no toner pump with the toner adding roller (11 ) positioned horizontal to the developer roller (3), the toner chamber (9) located predominantly below the developer roller, the photoconductive drum located 120 degrees from the top of tile developer roller, and the doctor blade (5) is located near the top. The cartridge has a minimal number of operational parts.