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Invention Publication
CN106415404A 显影设备及图像形成装置 有权

  • Patent Title: 显影设备及图像形成装置
  • Patent Title (English): Developing device and image forming device
  • Application No.: CN201580026903.X
    Application Date: 2015-05-22
  • Publication No.: CN106415404A
    Publication Date: 2017-02-15
  • Inventor: 松本淳志 , 高桥京佑
  • Applicant: 佳能株式会社
  • Applicant Address: 日本东京都大田区下丸子3-30-2
  • Assignee: 佳能株式会社
  • Current Assignee: 佳能株式会社
  • Current Assignee Address: 日本东京都大田区下丸子3-30-2
  • Agency: 北京怡丰知识产权代理有限公司
  • Agent 迟军
  • Priority: 2014-107077 2014.05.23 JP
  • International Application: PCT/JP2015/065486 2015.05.22
  • International Announcement: WO2015/178503 JA 2015.11.26
  • Date entered country: 2016-11-23
  • Main IPC: G03G15/08
  • IPC: G03G15/08 ;  G03G15/09
显影设备及图像形成装置
Abstract:
本发明抑制单独地驱动显影剂承载构件和搅拌构件的显影设备中的显影剂循环失衡。此外，本发明提供了一种防止诸如利用显影剂来涂覆所述显影剂承载构件的表面时的不适当涂覆的图像的有害效果的显影设备。显影设备的特征在于，在输出了电机(7，8)的停止信号中的较早的任一个停止信号之后、显影套筒(28)和搅拌螺杆(25)的旋转速度各自变成在图像形成期间的稳定状态下的旋转速度的1/2或更小期间，显影套筒(28)的旋转速度与搅拌螺杆(25)的旋转速度之间的比率α(E)，相对于在图像形成期间的稳定状态下显影套筒(28)的旋转速度与搅拌螺杆(25)的旋转速度之间比率α满足：0.7
Abstract(English):

The present invention suppresses imbalance of developing agent circulation in a developing device having separate drive for a developer supporting body and a stirring member. Furthermore, the present invention provides a developing device that prevents negative effects on images such as coating failures when coating with the developer on the surface of the developer supporting body. A developing device is characterized in that the ratio (alpha(E)) of the rotational speed of a developing sleeve (28) and the rotational speed of a stirring screw (25) during a time when the rotational speed of the developing sleeve (28) and the stirring screw (25) are made 1/2 or less of the rotational speed for each in a steady-state during image formation after the faster of the stop signals for motors (7, 8) has been output satisfies 0.7

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