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. 27, 1991
Filed:
Apr. 09, 1990
Applicant:
Inventors:
Bruce D MacLellan, Ontario, NY (US);
Robert H Shea, Victor, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F / ;
U.S. Cl.
CPC ...
355296 ; 355305 ;
Abstract
In an electrostatographic copier or printer utilizing developer material including magnetic carrier particles, a rotatable, multiple magnetic pole device, located on the backside of an image bearing member being cleaned by a cleaning apparatus, assists magnetic carrier particle removal by creating fast changing and pulsating magnetic fields that disembed and loosen embedded magnetic carrier particles from the image bearing member.