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. 15, 2008
Filed:
Jan. 05, 2006
Hiroshi Inui, Osaka, JP;
Takuya Eto, Osaka, JP;
Hiroshi Inui, Osaka, JP;
Takuya Eto, Osaka, JP;
Kyocera Mita Corporation, , JP;
Abstract
An image forming apparatus has a plurality of developing units for developing toner images of different colors, an intermediate transfer belt for transferring the toner images of the respective colors onto a surface of the belt or onto a recording sheet transported over the belt surface, a first or drive roller for driving the belt while the belt is wound around the first roller, a second or driven roller and a tension roller, which is driven along with the driving of the belt driven by the first roller. The image forming apparatus satisfies a relation defined by the following equation:2=1where Dis a belt-inclusive outer diameter of the first roller where the belt is wound, including the thickness t of the belt, Dis an outer diameter of the second roller, and N=n or 1/n where n is a positive integer.