Charging brush unit, charging device, and image forming...

Electrophotography – Having particular structure – Modular or displaceable

Reexamination Certificate

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Details

C399S168000, C399S171000

Reexamination Certificate

active

07907869

ABSTRACT:
A charging brush unit includes a brush and a conductive holder. The brush includes a plurality of flexible conductive fibers. The plurality of flexible conductive fibers is supplied with a charging bias to generate electrical discharge between a top of the plurality of conductive fibers and a latent image carrier across a gap formed between the top of the plurality of conductive fibers and the latent image carrier. The gap is provided with an electrode. The electrode includes a plurality of openings opposing the top of the plurality of conductive fibers and is supplied with a bias different from the charging bias applied to the plurality of conductive fibers. The conductive holder holds the brush.

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patent: 2006-84951 (2006-03-01), None
patent: 2006-221091 (2006-08-01), None
patent: 2006-243286 (2006-09-01), None
patent: 3878388 (2006-11-01), None

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