Developing apparatus and developer cartridge

Details Developing apparatus and developer cartridge Developing apparatus and developer cartridge

2009-11-25

2011-12-27

Porta, David (Department: 2884)

Electrophotography

Image formation

Development

Reexamination Certificate

active

08086144

ABSTRACT:
A developing apparatus includes a developing roller and a feed roller accommodated in a developing chamber of a developing frame, a first agitating member accommodated in a storing chamber of the developing frame for agitating the developer by rotating in a prescribed rotational direction while moving the developer in the rotational direction, a second agitating member accommodated in a developer accommodation chamber of a developer cartridge, a wall portion provided between the storing chamber and the developer accommodation chamber and formed with an opening for circulating the developer between the storing chamber and the developer accommodation chamber to face the storing chamber on a position above the upper end portion of the feed roller, and a conveyance member arranged between the opening of the wall portion and the developer accommodation chamber for conveying the developer in an axial direction of the developing roller.

REFERENCES:
patent: 5506665 (1996-04-01), Ishida et al.
patent: 7502576 (2009-03-01), Kubota et al.
patent: 2002/0025197 (2002-02-01), Mizoguchi et al.
patent: 2007/0189811 (2007-08-01), Sato
patent: 2008/0145109 (2008-06-01), Murayama et al.
patent: 2008/0187332 (2008-08-01), Tsuda et al.
patent: 2008/0240790 (2008-10-01), Nishiyama et al.
patent: 05-341644 (1993-12-01), None
patent: 05-341650 (1993-12-01), None
patent: 06-161331 (1994-06-01), None
patent: 07-306578 (1995-11-01), None
patent: 08-234553 (1996-09-01), None
patent: 08-278698 (1996-10-01), None
patent: 09-319202 (1997-12-01), None
patent: 2000275957 (2000-06-01), None
patent: 2001-117368 (2001-04-01), None
patent: 2002-333764 (2002-11-01), None
patent: 2005-077572 (2005-03-01), None
patent: 2006-106601 (2006-04-01), None
patent: 2006-178505 (2006-07-01), None
patent: 2007-148182 (2007-06-01), None
patent: 2007-212966 (2007-08-01), None
patent: 4065474 (2008-01-01), None
patent: 2008-145606 (2008-06-01), None
Notification of Reasons for Refusal for corresponding Japanese Patent Application 2008-303089 mailed Sep. 14, 2010.
Notification of Reasons for Refusal for Japanese patent application No. 2008-303089 mailed Apr. 12, 2011.

Affiliated with

Also associated with

Rating

Developing apparatus and developer cartridge does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Developing apparatus and developer cartridge, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Developing apparatus and developer cartridge will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4304753