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    • 2. 发明授权
    • Developing device and image forming apparatus
    • 显影装置和图像形成装置
    • US08369736B2
    • 2013-02-05
    • US12791374
    • 2010-06-01
    • Yoshiyuki TakashimaHideki KugeTakuji MatsumotoTaiyou UeharaShingo NatsumeYouichi Seki
    • Yoshiyuki TakashimaHideki KugeTakuji MatsumotoTaiyou UeharaShingo NatsumeYouichi Seki
    • G03G15/08
    • G03G21/1676G03G15/0863G03G15/0865G03G15/0877G03G2221/163
    • A developing device includes: a developer holding member that faces an image carrier on which a latent image is formed and rotating while holding developer; a developing housing with a holding member mount that mounts developer holding member, and accommodates developer; a developer container connected to the developing housing and containing developer that flows into the developing housing; a partition member disposed in the developer container and partitioning an inner space of the developer container; and a loosening member having a loosening portion disposed in the developer container and extending along one side surface and another side surface of the partition member to partition the developer container, and a drawing portion that is connected to the loosening portion and extends from a port formed in the developer container to the outside of the developer container. When the drawing portion is drawn out, the loosening portion moves to loosen the developer.
    • 显影装置包括:显影剂保持部件,其面对形成有潜像的图像载体,同时保持显影剂; 具有保持构件安装件的显影壳体,其安装显影剂保持构件,并容纳显影剂; 连接到显影壳体并且容纳流入显影室的显影剂的显影剂容器; 分隔构件,其设置在所述显影剂容器中并且分隔所述显影剂容器的内部空间; 以及松动部件,其具有设置在显影剂容器中的松动部分,并且沿分隔部件的一个侧表面和另一个侧表面延伸以分隔显影剂容器;以及拉伸部分,其连接到松动部分并从形成的端口延伸 在显影剂容器中到显影剂容器的外部。 当拉出部分时,松开部分移动以松开显影剂。
    • 3. 发明授权
    • Developing device, image supporter unit, and image formation apparatus
    • 显影装置,图像支持单元和图像形成装置
    • US08014705B2
    • 2011-09-06
    • US12108555
    • 2008-04-24
    • Takuji MatsumotoKiyoshi SakohToyohiko Awano
    • Takuji MatsumotoKiyoshi SakohToyohiko Awano
    • G03G15/09
    • G03G15/0921
    • A developing device includes: a developer supporter that includes: a magnet member that has a plurality of magnetic poles; and a cylinder member; and a thickness regulation member wherein, of the plurality of the magnetic poles, a magnetic pole, which is placed at a position nearest to the thickness regulation member downstream in a rotation direction of the cylinder member from the thickness regulation member, has a maximum position of a normal magnetic flux density distribution, and the maximum position is placed outside the area of angle α downstream in the rotation direction of the cylinder member from the thickness regulation member, and wherein the diameter of the cylinder member is D, the projection width is W in a case where the thickness regulation member is projected onto the surface of the cylinder member, and the angle α is 180×W/(D×π).
    • 显影装置包括:显影剂支撑体,其包括:具有多个磁极的磁体构件; 和圆筒构件; 以及厚度调节构件,其中,所述多个磁极中的最靠近所述厚度调节构件的位置处的所述磁极沿着所述气缸构件的旋转方向从所述厚度调节构件向下游位置具有最大位置 正常磁通密度分布,并且最大位置被放置在从所述厚度调节构件在所述气缸构件的旋转方向下游的角度α的区域的外侧,并且所述气缸构件的直径为D,所述突出宽度为 在厚度调节构件投影到圆筒构件的表面上的情况下,角度α为180×W /(D×&pgr))。