Transfer belt device and image forming apparatus

Details Transfer belt device and image forming apparatus Transfer belt device and image forming apparatus

2007-01-09

2007-01-09

Gray, David M. (Department: 2852)

Electrophotography

Image formation

Transfer

C399S125000, C399S126000, C399S303000, C399S308000, C399S313000

Reexamination Certificate

active

11233404

ABSTRACT:
A transfer belt device includes an endless transfer belt that is tightly stretched by a plurality of rollers and forms a transport path where a recording medium or a developer image is transported facing a monochrome image bearing member and a plurality of color image bearing members arranged in parallel along a fixed direction. In the apparatus, a first transfer unit having a first linking member in which a monochrome-image transfer member is supported that transfers a developer image formed on the monochrome image bearing member onto a recording medium or an outer peripheral surface of the belt, and a second transfer unit having a second linking member in which a plurality of color-image transfer members are supported that transfer developer images formed on the respective color image bearing members onto a recording medium or an outer peripheral surface of the belt, are linked via the first and second linking members.

REFERENCES:
patent: 6029022 (2000-02-01), Takase
patent: 6154621 (2000-11-01), Yamamoto et al.
patent: 6731895 (2004-05-01), Hamada et al.
patent: 6823158 (2004-11-01), Yamada et al.
patent: 2003/0175057 (2003-09-01), Yasui et al.
patent: 8-69238 (1996-03-01), None
patent: 2000-242057 (2000-09-01), None
patent: 2004-109267 (2004-04-01), None

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