Electrophotography – Internal machine environment – Particle or contaminant control
Reexamination Certificate
2005-11-28
2008-12-02
Grainger, Quana M (Department: 2852)
Electrophotography
Internal machine environment
Particle or contaminant control
Reexamination Certificate
active
07460810
ABSTRACT:
An image forming apparatus includes an image carrying member, a charging roller for charging the image carrying member, a charging roller cleaning roller, and first and second shaft bearings. The charging roller cleaning roller contacts and cleans a surface of the charging roller. The first shaft bearing rotatably holds a rotation shaft of the charging roller cleaning roller, while the second shaft bearing rotatably holds a rotation shaft of the charging roller. The second shaft bearing integrally includes a first shaft bearing holding member which movably holds, by use of a resilient member, the first shaft bearing in a direction of moving the charging roller towards and apart from the charging roller cleaning roller.
REFERENCES:
patent: 5638158 (1997-06-01), Sampe et al.
patent: 2002/0051665 (2002-05-01), Seto et al.
patent: 2004/0213597 (2004-10-01), Yanagida et al.
patent: 2005/0191081 (2005-09-01), Muraishi et al.
patent: 2006/0115292 (2006-06-01), Sampe et al.
patent: 08095351 (1996-04-01), None
patent: 2002-169327 (2002-06-01), None
U.S. Appl. No. 11/517,390, filed Sep. 8, 2006, Shimojo et al.
U.S. Appl. No. 11/856,304, filed Sep. 17, 2007, Oshige et al.
Hosokawa Hiroshi
Kimura Yoshiyuki
Kuwabara Nobuo
Murakami Wakako
Nagashima Hiroyuki
Grainger Quana M
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Ricoh Co. Ltd.
LandOfFree
Image forming apparatus having a cleaning roller for a... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Image forming apparatus having a cleaning roller for a..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Image forming apparatus having a cleaning roller for a... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4029698