发明申请
- 专利标题: IMAGE FORMING APPARATUS
- 专利标题(中): 图像形成装置
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申请号: US13276597申请日: 2011-10-19
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公开(公告)号: US20120099900A1公开(公告)日: 2012-04-26
- 发明人: Akihiro Noguchi , Katsuya Nose , Asuna Fukamachi
- 申请人: Akihiro Noguchi , Katsuya Nose , Asuna Fukamachi
- 申请人地址: JP Tokyo
- 专利权人: CANON KABUSHIKI KAISHA
- 当前专利权人: CANON KABUSHIKI KAISHA
- 当前专利权人地址: JP Tokyo
- 优先权: JP2010-235437 20101020; JP2011-171086 20110804
- 主分类号: G03G15/08
- IPC分类号: G03G15/08
摘要:
A developing device comprising a developer carrying member for carrying the developer containing non-magnetic toner and magnetic carrier to a position where said developer carrying member is opposed to an image bearing member; a developing container including a first chamber for accommodating a developer to be supplied to said developer carrying member, a second chamber provided below said first chamber, and a pair of transferring portions for circulating the developer between said first chamber and said second chamber; a first feeding member and a second feeding member, rotatably provided, in said first chamber and said second chamber, respectively, for stirring and feeding the developer; and a magnetic member provided at least on said first feeding member, wherein said magnetic member is provided in a region opposing at least one of said transferring portions where the developer is scooped from said second chamber into said first chamber.
公开/授权文献
- US08874009B2 Developing device having dual feeding chambers 公开/授权日:2014-10-28
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