Ricoh Company, Ltd.

Takato Kiyohara

Kiyoshi Taniguchi

Naoki Nakatake

Junichi Yamazaki

Tetsuya Kusano

Mizuho Imaruoka

Satoshi Hasegawa

A package including an endless belt; a first cylindrical body contacting an inner surface of the endless belt at a first pressure; a second cylindrical body contacting another inner surface of the endless belt at a second pressure; and a third cylindrical body contacting an outer surface of the endless belt at a third pressure, wherein the endless belt is wound around the first, second and third cylindrical bodies while the first, second and third cylindrical bodies are arranged so as to be parallel to each other and substantially located in one plane, and wherein a surface of each of the first, second and third cylindrical bodies contacting the endless belt has a maximum height of from 0.8 to 150 &#x3bc;m when measured by a method based on JIS B 0601.

Package and method of forming the package

A package including an endless belt; a first cylindrical body contacting an inner surface of the endless belt at a first pressure; a second cylindrical body contacting another inner surface of the endless belt at a second pressure; and a third cylindrical body contacting an outer surface of the endless belt at a third pressure, wherein the endless belt is wound around the first, second and third cylindrical bodies while the first, second and third cylindrical bodies are arranged so as to be parallel to each other and substantially located in one plane, and wherein a surface of each of the first, second and third cylindrical bodies contacting the endless belt has a maximum height of from 0.8 to 150 m when measured by a method based on JIS B 0601.

An electrophotographic image bearing unit including a belt-form electrophotographic photoreceptor including an electroconductive substrate and a photosensitive layer located overlying the substrate and optionally a protective layer located overlying the photosensitive layer; and a pressing member which presses the photoreceptor while a surface of the pressing member contacts a surface of the photosensitive layer side of the photoreceptor such that the photoreceptor has a U-form portion, wherein the pressing member is rotated by the photoreceptor, wherein the surface of the photosensitive layer side of the photoreceptor has a static friction coefficient less than a static friction coefficient of the surface of the pressing member.

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Mishima, Japan

Takato Kiyohara