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1. 发明申请

US20120051796A1 DEVELOPMENT UNIT, IMAGE FORMING APPARATUS, AND GAP ADJUSTING METHOD 有权
标题翻译：发展单位，图像形成装置和差距调整方法
公开(公告)号：US20120051796A1
公开(公告)日：2012-03-01
申请号：US13032160
申请日：2011-02-22
申请人： Shota OBA , Shigeru INABA , Takashi OCHI , Yoshitaka NAKAJIMA , Shinichi KURAMOTO
发明人： Shota OBA , Shigeru INABA , Takashi OCHI , Yoshitaka NAKAJIMA , Shinichi KURAMOTO
IPC分类号： G03G15/09
CPC分类号： G03G15/0808 , G03G15/0812 , G03G15/09
摘要： A development unit includes: a developing vessel in which a developing agent is received; a developing member as defined herein; a supply member which is supported in the developing vessel and disposed to be opposed to the developing member, the supply member rotating the developing agent in the developing vessel while holding the developing agent on a surface of the supply member to thereby supply the developing agent held on the surface to the developing member; and a thickness limiting member as defined herein, and the supply member is supported movably in a direction to expand or reduce a gap between the thickness limiting member and the supply member so that the gap between the thickness limiting member and the supply member can be adjusted.
摘要翻译：开发单元包括：显影剂，其中接收显影剂; 本文定义的显影剂; 供给构件，其被支撑在显影容器中并且设置成与显影构件相对，供给构件在显影剂保持在供给构件的表面上的同时使显影剂旋转在显影容器中，从而供给持续的显影剂在表面上至显影部件; 以及如本文所定义的厚度限制构件，并且供给构件被可移动地支撑在扩大或减小厚度限制构件和供给构件之间的间隙的方向上，使得可以调节厚度限制构件与供给构件之间的间隙。

2. 发明申请

US20120039637A1 DEVELOPING DEVICE AND IMAGE FORMING APPARATUS 有权
标题翻译：开发设备和图像形成装置
公开(公告)号：US20120039637A1
公开(公告)日：2012-02-16
申请号：US13041891
申请日：2011-03-07
申请人： Takashi OCHI , Shota OBA , Shigeru INABA , Shinichi KURAMOTO , Yoshitaka NAKAJIMA
发明人： Takashi OCHI , Shota OBA , Shigeru INABA , Shinichi KURAMOTO , Yoshitaka NAKAJIMA
IPC分类号： G03G15/09
CPC分类号： G03G15/0921
摘要： A developing device includes: a developing member including a magnetism-generating member having plural magnetic poles polarized in a circumferential-direction thereof, and a rotating member that is rotated about the magnetism-generating member; a developer-pumping pole provided in the magnetism-generating member, and that pumps up the developer, which is supplied from a developer accommodating portion, to the rotating member surface; a developer-peeling-off pole provided in the magnetism-generating member below a rotation axis of the rotating member in a vertical direction on an upstream side of the developer-pumping pole in a rotational-direction of the rotating member, that peels off the developer from the rotating member surface; and a magnetic body provided in at least a portion between a facing position facing the developer-peeling-off pole in a circumferential-direction of the rotating member and an intermediate position between the developer-peeling-off pole and the developer-pumping pole in the circumferential direction, facing the rotating member surface.
摘要翻译：显影装置包括：显影构件，包括具有多个在其周向极化的磁极的磁发生构件和围绕该磁性发生构件旋转的旋转构件; 设置在所述磁力产生部件中的显影剂抽吸极，并且将从显影剂容纳部供应的显影剂泵送到所述旋转部件表面; 显影剂剥离极，其设置在所述旋转构件的旋转轴的下方的所述磁性发生构件的垂直方向的旋转构件的旋转方向的显影剂抽吸极的上游侧，剥离所述显影剂剥离极显影剂从旋转构件表面; 以及设置在旋转构件的圆周方向上的面向显影剂剥离极的面对位置与显影剂剥离极与显影剂抽出极之间的中间位置的至少一部分的磁性体，圆周方向，面向旋转构件表面。

3. 发明申请

US20120251189A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20120251189A1
公开(公告)日：2012-10-04
申请号：US13273800
申请日：2011-10-14
申请人： Shota OBA , Takashi OCHI , Shigeru INABA , Yoshitaka NAKAJIMA , Akihisa MARUYAMA , Toshihiro KANEMATSU
发明人： Shota OBA , Takashi OCHI , Shigeru INABA , Yoshitaka NAKAJIMA , Akihisa MARUYAMA , Toshihiro KANEMATSU
IPC分类号： G03G15/09
CPC分类号： G03G15/065 , G03G15/0818 , G03G2215/0132 , G03G2215/0822 , G03G2215/0838
摘要： An image forming apparatus includes a rotating image carrier, a charging device, a latent image forming device, a developing device having a developer holder and developing a latent image as a visible image, a voltage application unit that generates a potential difference between the image carrier and the developer holder to form an electric field, by which toner is directed toward the latent image, in a developing region, and a transfer device that transfers the visible image of the image carrier to a medium, wherein the developer holder having a concavo-convex portion having a convex portion and a concave portion is provided in an outer surface thereof and formed such that the volume resistivity of a portion corresponding to the convex portion is set to be larger than the volume resistivity of a portion corresponding to the concave portion.
摘要翻译：图像形成装置包括旋转图像载体，充电装置，潜像形成装置，具有显影剂载体的显影装置和显影潜像作为可视图像;电压施加单元，其产生图像载体之间的电位差和显影剂载体，以在显影区域中形成调色剂指向潜像的电场;以及转印装置，其将图像载体的可见图像转印到介质上，其中，具有凹凸形状的显影剂载体，具有凸部和凹部的凸部设置在其外表面中，并且形成为使得与凸部对应的部分的体积电阻率设定为大于与凹部对应的部分的体积电阻率。

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