Color electro-photographic printing apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5666599
SERIAL NO

08412122

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An intermediate transfer drum is employed and a photosensitive belt having a length equal to the outer peripheral length of the intermediate transfer drum is arranged with a vertical orientation. Developing units of the same shape are arranged on one side of the photosensitive belt, and a charging unit and a cleaner are arranged on the other side. The intermediate transfer drum is placed under or diagonally under the photosensitive belt. A transfer mechanism for transferring an image on the intermediate transfer drum to a sheet of paper is placed under or diagonally under the intermediate transfer drum. By this arrangement and construction, a small-size color electro-photographic apparatus having a size capable of easy use as a desk-top apparatus is provided, which satisfies quality of image, speed of printing, and easiness of maintenance requirements at the same time.

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Patent Owner(s)

Patent OwnerAddress
RICOH TECHNOLOGIES COMPANY LTD810 SHIMO-IZUMI EBINA-SHI KANAGAWA PREFECTURE

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hoshi, Nobuyoshi Hitachinaka, JP 30 353
Maruo, Seiji Hitachi, JP 19 223
Miyasaka, Toru Hitachi, JP 44 550
Yamamoto, Masashi Hitachi, JP 166 2181

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