Electrophotography – Image formation – Development
Reexamination Certificate
2007-07-31
2007-07-31
Gray, David M. (Department: 2852)
Electrophotography
Image formation
Development
C399S053000, C399S255000, C399S260000
Reexamination Certificate
active
10802807
ABSTRACT:
A development apparatus has: a housing in which a developer supplying/collecting unit and a developer stirring unit are arranged with a circular passage for carrying developer; a developer carrying member placed at a front side of the developer supplying/collecting unit; a developer supplying/collecting section for carrying the developer; and two developer stirring sections arranged in the front-and-rear direction so as to face, wherein, a toner supplying opening is formed above a position where the two developer stirring sections face and at an upstream side in a developer carrying direction, the two developer stirring sections are rotated at the facing position to move peripheries in a forward direction, the developer carrying direction by the two developer stirring sections is substantially opposite to one by the developer supplying/collecting section, and developer carrying capability of the two developer stirring sections is set to be made equal to that of the developer supplying/collecting section.
REFERENCES:
patent: 5724635 (1998-03-01), Nagaoka et al.
patent: 5842090 (1998-11-01), Mikawa
patent: 5950056 (1999-09-01), Hamamichi et al.
patent: 6122472 (2000-09-01), Sako et al.
patent: 6336022 (2002-01-01), Ichikawa et al.
patent: 2002/0009309 (2002-01-01), Suzuki
patent: 2002/0071697 (2002-06-01), Fujimoto
patent: 2002/0098437 (2002-07-01), Kobayahsi et al.
patent: 2003/0156859 (2003-08-01), Tamai
patent: 2003/0219291 (2003-11-01), Tokimatsu et al.
patent: 2004/0052538 (2004-03-01), Yugeta et al.
patent: 2004/0265009 (2004-12-01), Shigeta et al.
patent: 7-013420 (1995-01-01), None
patent: 9-166918 (1997-06-01), None
patent: 9-288412 (1997-11-01), None
Akita Hiroshi
Itagaki Seiko
Shigeta Kunio
Gray David M.
Konica Minolta Business Technologies Inc.
Walsh Ryan D.
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