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:
Dec. 04, 2001
Filed:
Jan. 26, 2000
Applicant:
Inventors:
Douglas Campbell Hamilton, Lexington, KY (US);
Ann Marie Garland, Nicholasville, KY (US);
Assignee:
Lexmark International, Inc., Lexington, KY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 1/520 ;
U.S. Cl.
CPC ...
G03G 1/520 ;
Abstract
A back-up roller (,) for use in the fusing portion of an electrophotographic process is disclosed. This back-up roller has an inner cylindrical metal core (,), an outer hollow cylindrical metal shell (,) surrounding the core, and a plurality of metal ribs (,) running lengthwise between and attached to the core and the shell. The outer surface of the shell is coated with a layer (,) of a rubberized material. This back-up roller, when used in the fuser portion of an electrophotographic process, reducing the condensation of moisture on its surface, thereby effectively eliminating fuser stalls.