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. 19, 1997
Filed:
Apr. 28, 1994
Applicant:
Inventors:
Yasumasa Ohtsuka, Yokohama, JP;
Miho Aoki, Kawasaki, JP;
Yukihiro Ohzeki, Yokohama, JP;
Masaharu Ohkubo, Yokohama, JP;
Koichi Okuda, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
399333 ; 492 56 ;
Abstract
An image fixing apparatus includes a fixing roller contactable to an unfixed image, and a back-up roller cooperable with the fixing roller to fix the unfixed image, wherein the back-up roller contains a fluorine surface active agent having an antistatic effect substantially to reduce electrostatic offset and enable the back-up roller to remove toner deposited on the fixing roller.