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. 12, 2007
Filed:
Feb. 11, 2005
Bhaskar Gopalanarayanan, Lexington, KY (US);
Robert Watson Mcalpine, Lexington, KY (US);
Jamie Piotrowski, Lexington, KY (US);
Donald Wayne Stafford, Georgetown, KY (US);
Bhaskar Gopalanarayanan, Lexington, KY (US);
Robert Watson McAlpine, Lexington, KY (US);
Jamie Piotrowski, Lexington, KY (US);
Donald Wayne Stafford, Georgetown, KY (US);
Lexmark International, Inc., Lexington, KY (US);
Abstract
The present invention relates generally to image forming equipment, e.g. a laser printer of the type which includes a photoconductive (PC) drum and an associated charge roller. The invention is disclosed in exemplary embodiment as a laser printer incorporating a cleaner element with an electrical potential to sufficiently charge contamination particles on the PC drum to electrically repel from a charged surface, such as the charge roller.