Electrophotography – Cleaning of imaging surface – Blade
Reexamination Certificate
2006-06-20
2009-10-27
Gray, David M (Department: 2852)
Electrophotography
Cleaning of imaging surface
Blade
C399S343000, C399S351000
Reexamination Certificate
active
07610008
ABSTRACT:
A cleaning device including an elastic blade whose tip is contacted with a surface of a rotating member in such a manner as to counter the rotated member to remove particles of a toner on the rotated member; and a holder configured to support the elastic blade, wherein a nip formed by longitudinal end portions of the tip of the blade and the surface of the rotated member has a first nip width in a rotation direction of the rotated member, and a nip formed by a central portion of the blade and the surface of the rotated member has a second nip width, and wherein the first nip width is less than the second nip width.
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Naruse Osamu
Shakuto Masahiko
Watanabe Kazuhiko
Yano Hidetoshi
Gray David M
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Ricoh Company Limited
Walsh Ryan D
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