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.

Date of Patent:
Aug. 07, 2007

Filed:

Jul. 18, 2005
Applicants:

Akira Hamada, Legal Representative, Hyogo, JP;

Yoshiko Hamada, Legal Representative, Hyogo, JP;

Takenobu Kimura, Hachioji, JP;

Yotaro Sato, Hachioji, JP;

Inventors:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

A color image forming apparatus includes plural developing units that respectively form toner images of different colors on plural photoreceptors, plural primary transferring devices that successively transfer each of the toner images of the plural photoreceptors onto an intermediate transfer belt, which holds a color toner image transferred and superimposed by primary transfer, a secondary transferring device that transfers concurrently the color toner image onto a transfer material, a drive roller that drives the intermediate transfer belt and that is placed between one of the plurality of primary transferring devices which is arranged on the most downstream side in the direction of movement of the intermediate transfer belt and the secondary transferring device, and a controller that controls a discharger discharging the color toner image and the drive of the drive roller.


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