Title:
現像装置及びプロセスカートリッジ及び画像形成装置
Document Type and Number:
Japanese Patent JP4235269
Kind Code:
B2
Abstract:
The present invention provides a developing apparatus comprising a developing container for containing magnetic developing agent, a developing agent bearing member provided an opening portion of the developing container and adapted to bear and convey the magnetic developing agent, a sheet member elastically biased against the developing agent bearing member along a longitudinal direction of the developing agent bearing member and adapted to close a gap between the developing agent bearing member and the developing container, a magnetic seal member provided at an end of the developing agent bearing member with a gap therebetween and adapted to form a magnetic seal, and an elastic member for urging the sheet member toward the developing agent bearing member.
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Inventors:
Atsushi Numagami
Kazufumi Watanabe
Katsunori Yokoyama
Kazufumi Watanabe
Katsunori Yokoyama
Application Number:
JP29835497A
Publication Date:
March 11, 2009
Filing Date:
October 30, 1997
Export Citation:
Assignee:
Canon Inc
International Classes:
G03G15/08; G03G21/18; G03G15/09
Domestic Patent References:
| JP8202153A | ||||
| JP7219343A | ||||
| JP5297697A | ||||
| JP8202149A | ||||
| JP926702A | ||||
| JP3249781A |
Attorney, Agent or Firm:
Nakagawa International Patent Office
Hiroyuki Nakagawa
Hiroyuki Nakagawa
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