发明授权
- 专利标题： Development device and image forming apparatus
- 专利标题（中）： 显影装置和图像形成装置
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申请号： US12547111申请日： 2009-08-25
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公开(公告)号： US08073368B2公开(公告)日： 2011-12-06
- 发明人: Nobuo Iwata , Junichi Matsumoto , Natsumi Katoh , Tomoya Ohmura
- 申请人： Nobuo Iwata , Junichi Matsumoto , Natsumi Katoh , Tomoya Ohmura
- 申请人地址： JP Tokyo
- 专利权人： Ricoh Company Limited
- 当前专利权人： Ricoh Company Limited
- 当前专利权人地址： JP Tokyo
- 代理机构： Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- 优先权： JP2008-233835 20080911; JP2009-031934 20090213
- 主分类号： G03G15/09
- IPC分类号： G03G15/09
摘要：
A development device includes a developer carrier, and a developer conveyance path. The developer carrier carries and conveys developer having a magnetic property. The developer carrier includes a plurality of magnetic poles provided inside the development carrier. The developer conveyance path is provided above the developer carrier and conveys the developer by a flow of air such that the developer is conveyed parallel to the developer carrier. The developer conveyance path is provided with a first developer outlet disposed above the developer carrier and open along a direction of conveyance of the developer to discharge the developer to the outside of the developer conveyance path to directly supply the developer to the developer carrier.
公开/授权文献
- US20100061774A1 DEVELOPMENT DEVICE AND IMAGE FORMING APPARATUS 公开/授权日：2010-03-11
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