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:
Apr. 24, 2007

Filed:

Nov. 21, 2005
Applicants:

Akira Hamada, Legal Representative, Hachioji, JP;

Yoshiko Hamada, Legal Representative, Hachioji, JP;

Takenobu Kimura, Hachioji, JP;

Yotaro Sato, Hachioji, JP;

Inventors:

Akira Hamada, legal representative, Hachioji, JP;

Yoshiko Hamada, legal representative, Hachioji, JP;

Takenobu Kimura, Hachioji, JP;

Yotaro Sato, Hachioji, JP;

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

A color image forming apparatus is described, which makes highly durable image transferring possible. The color image forming apparatus includes: primary transferring devices to transfer unicolor toner images respectively formed on image bearing members onto an intermediate transfer member; a secondary transferring device to transfer the multi-color toner image onto a transfer material; a discharging device before secondary transfer, disposed at a position between a primary transferring device and the secondary transferring device; an electric discharge electrode disposed at a position opposing to the intermediate transfer member; an opposing electrode disposed at a position opposing to the electric discharge electrode while putting the intermediate transfer member between them; and a separating device to make the opposing electrode movable between an operating position at which the opposing electrode contacts the intermediate transfer member and a separating position being apart from the intermediate transfer member.


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