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:
Jan. 02, 1996
Filed:
Aug. 18, 1993
Donald S Sypula, Penfield, NY (US);
Santokh S Badesha, Pittsford, NY (US);
Shu Chang, Webster, NY (US);
John F Knapp, Fairport, NY (US);
Robert E Trott, Webster, NY (US);
Stephen T Chai, Rancho Palo Verdes, CA (US);
Henry R Till, East Rochester, NY (US);
Joseph Mammino, Penfield, NY (US);
Xerox Corporation, Stamford, CT (US);
Abstract
A roller for controlling the application of carrier liquid to an image bearing member in an electrostatographic reproduction apparatus having a rigid porous electroconductive supportive core, a conformable microporous covering provided around the core, and a pressure controller. The pressure controller is located to provide a positive or negative pressure within the porous core and across a cross section of the core and covering.