公开(公告)号：US4922301A

公开(公告)日：1990-05-01

申请号：US300247

申请日：1989-01-23

申请人： Shunji Katoh ,  Noriyuki Kimura ,  Yoshihiro Sakai ,  Sigekazu Enoki

发明人： Shunji Katoh ,  Noriyuki Kimura ,  Yoshihiro Sakai ,  Sigekazu Enoki

IPC分类号： G03G15/01 ,  G03G15/08

CPC分类号： G03G15/0126 ,  G03G15/0896 ,  G03G2215/0177

摘要： A rotary multicolor developing apparatus having a plurality of developing chambers defined in a rotatable developing drum, which neighbors and faces a photoconductive drum, and developing units each being disposed in a respective one of the developing chambers to supply toner of a particular color; the developing units being sequentially transported in a rotational motion to a predetermined developing region so that the toner is transferred from each developing unit to an electrostatic latent image provided on the photoconductive drum, thereby developing the latent image. In each developing unit, there are provided a magnetic brush which is sequentially transported between a toner supply region, the developing region, and a toner recovery region, a toner supply roller for transporting toner which is charged in the toner supply region to the magnetic brush, and a toner recovery roller for collecting in the toner recovery region the toner which remains on the magnetic brush after development. A toner supply drum adapted for the supply of a supplementary amount of toner is provided coaxially with the developing drum. The interior of the toner supply drum is partitioned into a plurality of toner chambers each corresponding to a respective one of the developing chambers of the developing drum, toner conveyors connecting each of the toner chambers to its associated developing chamber.

摘要翻译： 一种旋转式多色显影装置，具有限定在与可感光鼓相邻并面对的可转动的显影鼓中的多个显影室，以及各自设置在相应的一个显影室中的显影单元，以供应特定颜色的调色剂; 显影单元以旋转运动顺序传送到预定的显影区域，使得调色剂从每个显影单元转印到设置在感光鼓上的静电潜像，从而显影潜像。 在每个显影单元中，设置有一个磁刷，它在调色剂供应区域，显影区域和调色剂回收区域之间依次传送，用于将调色剂供应区域中带电的调色剂输送到磁刷的调色剂供应辊 以及调色剂回收辊，用于在显影后在色粉回收区域中收集保留在磁刷上的调色剂。 与显影鼓同轴地设置适于供应补充量的调色剂的调色剂供应滚筒。 调色剂供应筒的内部被分隔成多个调色剂室，每个调色剂腔对应于显影鼓的显影室的相应一个，调色剂输送器将每个调色剂室连接到其相关联的显影室。

公开(公告)号：US4601967A

公开(公告)日：1986-07-22

申请号：US679054

申请日：1984-12-06

申请人： Akira Suzuki ,  Kazuo Kobayashi ,  Sigekazu Enoki

发明人： Akira Suzuki ,  Kazuo Kobayashi ,  Sigekazu Enoki

IPC分类号： G03G9/093 ,  G03G9/00 ,  G03C1/72 ,  G03G9/10 ,  G03G9/14

CPC分类号： G03G9/09357 ,  G03G9/09314

摘要： A toner for developing latent electrostatic images is disclosed, which consists of toner particles, with each toner particle consisting of (i) a core particle comprising an electroconductive material and/or magnetic powder and a binder agent, having a specific volume resistivity ranging from 10.sup.2 ohm-cm to 10.sup.9 ohm-cm and (ii) a coating layer comprising a coloring agent such as carbon black, or magnetic powder and a binder agent, having a specific volume resistivity of 10.sup.9 ohm-cm or more.

摘要翻译： 公开了用于显影静电图像的调色剂，其由调色剂颗粒组成，每个调色剂颗粒由（i）包含导电材料和/或磁性粉末和粘合剂的核心颗粒组成，其体积电阻率范围为102 ohm-cm至109ohm-cm，和（ii）包含诸如炭黑的着色剂或具有109ohm-cm以上的体积电阻率的磁性粉末和粘合剂的涂层。