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热词
    • 1. 发明授权
    • Developing device and image forming apparatus
    • 显影装置和图像形成装置
    • US08676098B2
    • 2014-03-18
    • US13191082
    • 2011-07-26
    • Kazuhiko HirokawaKunihiko Sato
    • Kazuhiko HirokawaKunihiko Sato
    • G03G15/09
    • G03G15/0815G03G2215/0811G03G2215/0822G03G2215/0838
    • A developing device includes a developer carrier that holds a developer on a surface thereof, rotates around a rotation axis, and supplies the developer to an image carrier at a facing portion at which the developer carrier faces the image carrier; a transport member that transports the developer in a transport direction along the rotation axis while supplying the developer to the surface of the developer carrier; and a guide member that includes a guide portion that guides, toward downstream in the transport direction, the developer that has passed the facing portion without being supplied to the image carrier, the guide member making an amount of the developer that reaches the transport member on an upstream side of the guide portion in the transport direction be smaller than an amount of the developer that reaches the transport member in on a downstream side of the guide portion.
    • 显影装置包括:显影剂载体,其在其表面上保持显影剂,围绕旋转轴旋转,并将显影剂供应到显影剂载体面向图像载体的相对部分处的图像载体; 传送构件,其沿显影剂载体的表面将显影剂沿着旋转轴线沿输送方向输送,同时将显影剂供应到显影剂载体的表面; 以及引导部件,其包括引导部分,其朝向传送方向的下游引导已经通过所述对向部分的显影剂而不被供应到所述图像载体,所述引导部件使得到达所述传送部件的显影剂的量为 导向部分在输送方向的上游侧小于在引导部分的下游侧到达传送部件的显影剂的量。