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:
Mar. 27, 2012
Filed:
Sep. 22, 2008
Masahiko Miyamoto, Kanagawa, JP;
Nobuyuki Ichizawa, Kanagawa, JP;
Yousuke Tsutsumi, Kanagawa, JP;
Taku Fukuhara, Kanagawa, JP;
Masahiko Miyamoto, Kanagawa, JP;
Nobuyuki Ichizawa, Kanagawa, JP;
Yousuke Tsutsumi, Kanagawa, JP;
Taku Fukuhara, Kanagawa, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
The invention provides an annular body provided at an image forming apparatus, the annular body has at least an outermost periphery layer and an innermost periphery layer, each of which comprise carbon black, and a content of carbon black contained per unit of volume of the outermost periphery layer being smaller than a content of carbon black contained per unit of volume of the innermost periphery layer. The invention further provides an annular body stretching device, having at least the annular body and a plurality of annular body stretching units rotatably stretching the annular body at an inner surface of the annular body. The invention further provides an image forming apparatus having at least an image holder, a charging device, an exposing device, a developing device, a first transferring device, a second transferring device, and a fixing device, in which the intermediate transfer belt is the annular body.