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. 02, 1999

Filed:

Jul. 27, 1998
Applicant:
Inventors:

Yotaro Sato, Hachioji, JP;

Kunio Shigeta, Hachioji, JP;

Hisayoshi Nagase, Hachioji, JP;

Satoshi Haneda, Hachioji, JP;

Toshihide Miura, Koganei, JP;

Assignee:

Konica Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
399397 ; 399302 ; 399303 ; 399309 ;
Abstract

An image forming apparatus includes: a first image bearer for bearing a toner image formed by a toner image forming device; a second image bearer for bearing the toner image which is transferred from the first image bearer; a first transferring device for transferring the toner image borne on the first image bearer onto the second image bearer or a front side of a transfer material; a second transferring device for transferring the toner image borne on the second image bearer onto a back side of the transfer material; a fixing device for fixing toner images transferred on both sides of the transfer material which is conveyed on the second image bearer and separated therefrom; and a separating claw for separating the transfer material from the second image bearer. The separating claw is provided facing a curvature portion provided at an end portion of the second image bearer on a side of the fixing device, and provided on a side of the second image bearer with respect to a tangential plane of the curvature portion passing an entrance of a nip portion for nipping the transfer material of the fixing device.


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