基本信息:
- 专利标题: Developing device, process cartridge, and image forming apparatus
- 专利标题(中):开发设备,过程盒和图像形成装置
- 申请号:JP2008295081 申请日:2008-11-19
- 公开(公告)号:JP2010122406A 公开(公告)日:2010-06-03
- 发明人: KADOTA ICHIRO , SUDO KAZUHISA , YOSHIDA TAKASHI , OZAKI NAOYUKI , SUGANUMA TAKUYA , KAYAHARA SHIN , NAKAGAWA YOSHINORI , KUROKAWA ATSUSHI , YAMASHITA MASAHIDE , ENOKI SHIGEKAZU , KAWASUMI MASANORI , KOINUMA NORIYUKI , OJIMI ATSUYA , YURA JUN , TAKAHASHI HIROAKI , SUKESAKO MASAKI
- 申请人: Ricoh Co Ltd , 株式会社リコー
- 专利权人: Ricoh Co Ltd,株式会社リコー
- 当前专利权人: Ricoh Co Ltd,株式会社リコー
- 优先权: JP2008295081 2008-11-19
- 主分类号: G03G15/08
- IPC分类号: G03G15/08
摘要:
PROBLEM TO BE SOLVED: To provide a developing device, a process cartridge, and an image forming apparatus reducing background fogging or uneven density on an output image or toner scattering by sufficiently agitating and mixing the toner to developer in a circulation path of the developer. SOLUTION: The developing device includes, as a developer carrying means in a second developer carrying part 54Y disposed to face a first developer carrying part 53Y across a partition member 59Y, a second carrying screw 56Y with a screw part formed on its shaft part, which is rotated in a predetermined direction; and a rotary member 57Y arranged adjacent to the second carrying screw 56Y and having a projection part protruding to the shaft part of the second carrying screw 56Y to overlap the screw part thereof when viewed in the rotating axial direction. COPYRIGHT: (C)2010,JPO&INPIT
摘要(中):
要解决的问题:提供一种显影装置,处理盒和图像形成装置,通过在色调剂的循环路径中充分搅拌和混合调色剂到显影剂,减少输出图像上的背景雾化或不均匀的浓度 开发商 解决方案:显影装置包括作为显影剂承载装置的第二显影剂承载部分54Y,第二显影剂承载部分54Y设置成跨过分隔部件59Y与第一显影剂承载部分53Y相对;第二输送螺杆56Y,其螺纹部分形成在其轴上 部分,其沿预定方向旋转; 以及与第二输送螺杆56Y相邻配置的旋转部件57Y,具有突出部,该突出部从第二输送螺杆56Y的轴部突出,与旋转轴方向的螺纹部重叠。 版权所有(C)2010,JPO&INPIT
公开/授权文献:
信息查询:
EspacenetIPC结构图谱:
G | 物理 |
--G03 | 摄影术;电影术;利用了光波以外其他波的类似技术;电记录术;全息摄影术 |
----G03G | 电记录术;电照相;磁记录 |
------G03G15/00 | 应用电荷图形的电记录工艺的设备 |
--------G03G15/06 | .显影用的 |
----------G03G15/08 | ..应用固体显影剂,例如,粉末显影剂 |