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. 28, 2007
Filed:
Oct. 04, 2004
Claudia A. Marin, Lexington, KY (US);
John W. Kietzman, Lexington, KY (US);
Tom E. Stickler, Lexington, KY (US);
Michael L. Pawley, Nicholasville, KY (US);
Claudia A. Marin, Lexington, KY (US);
John W. Kietzman, Lexington, KY (US);
Tom E. Stickler, Lexington, KY (US);
Michael L. Pawley, Nicholasville, KY (US);
Lexmark International, Inc., Lexington, KY (US);
Abstract
A helical auger member for transporting toner in an image forming apparatus. The auger member may be implemented as part of a waste toner removal system for removing toner from a photoconductive member of a toner cartridge. Toner that is removed by a cleaner member is transported through a cleaner housing with a helical member, such as a coil wire, having a pitch to outer diameter ratio from about 1.5 to 2.5.