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:
Jun. 08, 2010
Filed:
Mar. 09, 2006
Atsushi Takehara, Tokyo, JP;
Akihiro Kawasaki, Tokyo, JP;
Yoshie Iwakura, Tokyo, JP;
Tomoya Adachi, Tokyo, JP;
Takafumi Miyazaki, Tokyo, JP;
Atsushi Takehara, Tokyo, JP;
Akihiro Kawasaki, Tokyo, JP;
Yoshie Iwakura, Tokyo, JP;
Tomoya Adachi, Tokyo, JP;
Takafumi Miyazaki, Tokyo, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
In an image forming apparatus, an intermediate transfer belt is made of a resin film and is supported by a plurality of rollers. A driving roller that is one of the plurality of rollers, drives the intermediate transfer belt, and also functions as an opposing unit with respect to a secondary transfer roller. The driving roller is made of metal, and applies a bias to at least secondary transfer units, at least at a time of performing primary transfer to a plurality of image bearing bodies.