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: US12130092申请日: 2008-05-30
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公开(公告)号: US08014703B2公开(公告)日: 2011-09-06
- 发明人: Tomoya Ohmura , Junichi Matsumoto , Nobuo Iwata , Natsumi Katoh
- 申请人: Tomoya Ohmura , Junichi Matsumoto , Nobuo Iwata , Natsumi Katoh
- 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: JP2007-145444 20070531
- 主分类号: G03G15/08
- IPC分类号: G03G15/08
摘要:
The development device includes a development member and a circulation member. The development member develops an electrostatic latent image formed on a latent image carrier with a developer including toner and a carrier to make the electrostatic latent image visible. The circulation member receives the developer discharged from the development member and conveys the developer back to the development member. The circulation member includes a container provided upstream from the development member in a conveyance direction of the developer to store the developer. The container includes an agitator provided inside the container and agitates and mixes the developer and fresh toner supplied to the container. The agitator includes a rotatable agitation member in which one or more holes are formed through which the developer passes to mix the fresh toner and the developer to be agitated in the container.
公开/授权文献
- US20080298845A1 DEVELOPMENT DEVICE AND IMAGE FORMING APPARATUS 公开/授权日:2008-12-04