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:
Apr. 30, 2013
Filed:
Aug. 20, 2009
Backup roll with capacitive coating and an imaging device transfer station employing the backup roll
Bryan Michael Blair, Lexington, KY (US);
Bartley Charles Gould, Ii, Lexington, KY (US);
Peter Brown Pickett, Lexington, KY (US);
Julie Ann Gordon Whitney, Georgetown, KY (US);
Bryan Michael Blair, Lexington, KY (US);
Bartley Charles Gould, II, Lexington, KY (US);
Peter Brown Pickett, Lexington, KY (US);
Julie Ann Gordon Whitney, Georgetown, KY (US);
Lexmark International, Inc., Lexington, KY (US);
Abstract
A toner transfer station of an electrophotographic imaging device employs a backup roll having an inner electrically grounded cylindrical metal base core and an outer surface layer disposed about the inner base core. The outer surface layer may be formed of a polyurethane elastomer material to provide a capacitive coating with a thickness greater than 15 microns, a dielectric constant less than 12 and a resistivity of less than 3.00E+13 Ohm-cm.