Electrophotography – Internal machine environment – Particle or contaminant control
Reexamination Certificate
2011-03-01
2011-03-01
Porta, David P (Department: 2884)
Electrophotography
Internal machine environment
Particle or contaminant control
C399S102000, C399S107000
Reexamination Certificate
active
07899356
ABSTRACT:
A layer-thickness regulating member includes a thin plate member and a projection member provided on a free edge portion of the thin plate member. A leak preventing members include a first seal member and a second seal member. The first seal member includes a first downstream portion disposed adjacent to the projection member on a front surface of the thin plate member, and a first upstream portion extending upstream of the first downstream portion. The second seal member includes a second downstream portion, and a second upstream portion which extends upstream of the second downstream portion. The second upstream portion includes a covered portion covered with the first upstream portion, an opposed portion disposed adjacent to the covered portion and opposed to the adjacent portion of the projection member and an exposed portion extending upstream of the covered portion and the opposed portion.
REFERENCES:
patent: 2005/0158070 (2005-07-01), Ishii
patent: 2006/0291895 (2006-12-01), Fukuta et al.
patent: 2007/0248376 (2007-10-01), Mori et al.
patent: 2005189346 (2005-07-01), None
patent: 2007-292876 (2007-11-01), None
Horinoe Mitsuru
Matsushita Yuichi
Mori Hiroki
Nakaya Yukiko
Xu Fan
Banner & Witcoff , Ltd.
Brother Kogyo Kabushiki Kaisha
Green Yara B
Porta David P
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