Electrophotography – Having particular structure – Modular or displaceable
Reexamination Certificate
2011-08-09
2011-08-09
Gray, David M (Department: 2852)
Electrophotography
Having particular structure
Modular or displaceable
C399S102000, C399S119000, C399S262000, C399S258000
Reexamination Certificate
active
07995949
ABSTRACT:
A powder conveyance device is disclosed that enables plural powder conveyance paths to be easily and reliably attached and detached. The powder conveyance device includes a first housing including a first powder conveyance path, and a second housing including a second powder conveyance path, the first housing and the second housing being detachably attached to each other. A projection portion is provided in the first housing, the projection portion having a hole in communication with the first powder conveyance path, and a hole portion is provided in the second housing, the hole portion being in communication with the second powder conveyance path. When attaching the first housing to or detaching the first housing from the second housing, the projection portion is inserted into or drawn out of the hole portion.
REFERENCES:
patent: 5815767 (1998-09-01), Kutsuwada et al.
patent: 5934680 (1999-08-01), Kakehi et al.
patent: 6115574 (2000-09-01), Mikuriya
patent: 6546219 (2003-04-01), Sato et al.
patent: 6711375 (2004-03-01), Itoh
patent: 6977022 (2005-12-01), Sato et al.
patent: 7366447 (2008-04-01), Mukai et al.
patent: 2001/0053298 (2001-12-01), Fujishiro et al.
patent: 2004/0253023 (2004-12-01), Terazawa et al.
patent: 2005/0226655 (2005-10-01), Katsuyama et al.
patent: 2006/0055120 (2006-03-01), Umetsu et al.
patent: 2006/0078361 (2006-04-01), Park
patent: 2006/0268373 (2006-11-01), Tatsumi et al.
patent: 2007/0104523 (2007-05-01), Yoshida et al.
patent: 2007/0140763 (2007-06-01), Shimizu et al.
patent: 2007/0248390 (2007-10-01), Kubota et al.
patent: 2008/0019720 (2008-01-01), Kawakami et al.
patent: 2008/0145119 (2008-06-01), Tatsumi et al.
patent: 2-171791 (1990-07-01), None
patent: 08-202148 (1996-08-01), None
patent: 08-314221 (1996-11-01), None
patent: 09-185205 (1997-07-01), None
patent: 2000-112214 (2000-04-01), None
patent: 2001-296723 (2001-10-01), None
patent: 3281595 (2002-02-01), None
patent: 2003-36015 (2003-02-01), None
patent: 2004-264792 (2004-09-01), None
patent: 2005-10350 (2005-01-01), None
patent: 2006-18329 (2006-01-01), None
U.S. Appl. No. 11/870,104, filed Oct. 10, 2007, Yoshiyuki Shimizu et al.
Gray David M
Hyder G. M.
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Ricoh & Company, Ltd.
LandOfFree
Powder conveyance device, process unit, and image forming... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Powder conveyance device, process unit, and image forming..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Powder conveyance device, process unit, and image forming... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2728444