Electrophotography – Internal machine environment – Particle or contaminant control
Reexamination Certificate
2005-03-29
2005-03-29
Ngo, Hoang (Department: 2852)
Electrophotography
Internal machine environment
Particle or contaminant control
C399S174000, C399S175000
Reexamination Certificate
active
06873809
ABSTRACT:
A cleaning device including a brush roller that contacts the surface of a charge roller for cleaning it and an image forming apparatus including the cleaning device are disclosed. The brush roller has a brush contacting the charge roller due to the weight of the brush roller. The brush roller rotates by following the rotation of the charge roller. The cleaning device has a simple configuration while the brush roller has high durability.
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Amemiya Ken
Iwasaki Yukiko
Ngo Hoang
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Ricoh & Company, Ltd.
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