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:
Nov. 07, 2000

Filed:

Feb. 17, 1999
Applicant:
Inventors:

Katsuya Takenouchi, Ebina, JP;

Yasushi Kawahata, Ebina, JP;

Nobuyoshi Komatsu, Ebina, JP;

Keiji Yamamoto, Ebina, JP;

Noriaki Kojima, Ebina, JP;

Yukio Hayashi, Ebina, JP;

Takashi Kawabata, Ebina, JP;

Nobuo Hyakutake, Ebina, JP;

Makoto Katayama, Ebina, JP;

Masao Ohkubo, Ebina, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
399302 ; 399313 ;
Abstract

An image forming apparatus includes: a transfer unit T2 including the inside transfer roll 29, the outside transfer roll 30 transfers the toner image from the toner image holding belt B onto the recording sheet that passes through the transfer region Q4 when transfer voltage is applied to between the inside transfer roll 29 and the outside transfer roll 30; electric-field adjusting conductive member 51 disposed in proximity to and along the inner side of the toner image holding belt B leaving the transfer region Q4 at a position located downstream of the transfer region Q4; and electric-field adjust-potential applying means 53; 54 applies a potential, which weakens an electric field developed between the outside transfer roll 30 and the inside transfer roll 29 in a region located downstream of the transfer region Q4, to the electric-field adjusting conductive member 51.


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