公开(公告)号：US20150078788A1

公开(公告)日：2015-03-19

申请号：US14451968

申请日：2014-08-05

申请人： Toshio KOIKE ,  Kiyonori TSUDA ,  Yutaka TAKAHASHI ,  Yuichi AIZAWA ,  Keinosuke KONDOH ,  Kentaro MIKUNIYA

发明人： Toshio KOIKE ,  Kiyonori TSUDA ,  Yutaka TAKAHASHI ,  Yuichi AIZAWA ,  Keinosuke KONDOH ,  Kentaro MIKUNIYA

IPC分类号： G03G15/09

CPC分类号： G03G15/0907 ,  G03G15/0921

摘要： A developing device includes a developer bearer to carry, by rotation, developer including toner and magnetic carrier to a development range facing a latent image bearer, and the developer bearer includes a magnetic field generator having multiple magnetic poles and a cylindrical developing sleeve to rotate and bear developer on an outer circumferential face thereof with magnetic force of the magnetic field generator provided inside the developing sleeve. The developing sleeve receives developing bias voltage including an AC component, and includes a base to maintain a cylindrical shape of the developing sleeve and a low friction surface layer including a material lower in friction coefficient with toner than a material of the base.

摘要翻译： 显影装置包括：显影剂载体，通过旋转将包含调色剂和磁性载体的显影剂携带到面向潜像承载体的显影范围内，并且显影剂载体包括具有多个磁极的磁场发生器和用于旋转的圆柱形显影套筒， 用显影套筒内部的磁场发生器的磁力使显影剂的外周面承载显影剂。 显影套筒承受包括AC部件的显影偏压，并且包括保持显影套筒的圆柱形状的基座和包括与调色剂相比摩擦系数低于材料的材料的低摩擦表面层。

公开(公告)号：US20130266345A1

公开(公告)日：2013-10-10

申请号：US13850623

申请日：2013-03-26

申请人： Junichi MATSUMOTO ,  Atsushi KUROKAWA ,  Kentaro MIKUNIYA

发明人： Junichi MATSUMOTO ,  Atsushi KUROKAWA ,  Kentaro MIKUNIYA

IPC分类号： G03G15/08

CPC分类号： G03G15/0865 ,  G03G15/0879

摘要： A powder conveyance device including a reciprocating displacement pump, through which powder, together with air, passes to be conveyed from an origin to a destination using negative pressure and positive pressure alternately generated in the reciprocating displacement pump by changing an internal volume of the reciprocating displacement pump, and a drive part connected to the reciprocating displacement pump to drive the reciprocating displacement pump. A period of time to increase the internal volume of the reciprocating displacement pump to generate the negative pressure is set longer than a period of time to reduce the internal volume of the reciprocating displacement pump to generate the positive pressure.

摘要翻译： 一种粉末输送装置，其包括往复式容积泵，通过该往复运动容积泵，粉末与空气一起通过在往复运动泵中交替产生的负压和正压而从原点运送到目的地，通过改变往复运动位移的内部容积 泵和连接到往复式容积泵的驱动部件来驱动往复式排量泵。 增加往复式排量泵的内部容积以产生负压的时间段被设定为比缩短往复运动泵的内部容积以产生正压的时间长。

公开(公告)号：US09581936B2

公开(公告)日：2017-02-28

申请号：US15007545

申请日：2016-01-27

申请人： Teppei Kikuchi ,  Kentaro Mikuniya ,  Toshio Koike ,  Keinosuke Kondoh ,  Yutaka Takahashi ,  Hideki Kosugi

发明人： Teppei Kikuchi ,  Kentaro Mikuniya ,  Toshio Koike ,  Keinosuke Kondoh ,  Yutaka Takahashi ,  Hideki Kosugi

IPC分类号： G03G15/08

CPC分类号： G03G15/0865 ,  G03G15/0877 ,  G03G15/0889 ,  G03G15/0893

摘要： A developing device includes: a developer bearer configured to bear developer thereon; a developer conveyance path for conveying developer to be fed to the developer bearer; a developer conveying member configured to convey the developer in the developer conveyance path; a developer discharge port disposed in the developer conveyance path to discharge developer from the developer conveyance path by overflow; and a contact member configured to be brought into contact with the developer conveyed toward the developer discharge port in the developer conveyance path, the developer conveyance path being configured to receive externally-supplied developer therein, the contact member being configured to repeat a sequence of movements including being elastically deformed by being brought into contact with the developer conveying member being driven and thereafter being elastically restored by being brought out of contact with the developer conveying member.

摘要翻译： 显影装置包括：显影剂载体，其构造成在其上承载显影剂; 显影剂输送路径，用于输送供给到显影剂承载体的显影剂; 构造成将显影剂输送到显影剂输送路径中的显影剂输送构件; 显影剂排出口，设置在显影剂输送路径中，以通过溢出从显影剂输送路径排出显影剂; 以及接触构件，其构造成与在显影剂输送路径中朝向显影剂排出口输送的显影剂接触，所述显影剂输送路径构造成在其中接收外部供应的显影剂，所述接触构件被配置为重复一系列运动 包括通过与被驱动的显影剂传送构件接触而弹性变形，然后通过与显影剂传送构件脱离而被弹性恢复。

公开(公告)号：US09285714B2

公开(公告)日：2016-03-15

申请号：US14607491

申请日：2015-01-28

申请人： Keinosuke Kondoh ,  Kiyonori Tsuda ,  Yutaka Takahashi ,  Kentaro Mikuniya ,  Toshio Koike ,  Emiko Shiraishi

发明人： Keinosuke Kondoh ,  Kiyonori Tsuda ,  Yutaka Takahashi ,  Kentaro Mikuniya ,  Toshio Koike ,  Emiko Shiraishi

IPC分类号： G03G15/09 ,  G03G15/06

CPC分类号： G03G15/0921 ,  G03G15/065 ,  G03G15/0907

摘要： A developing device includes a developer bearer to carry, by rotation, developer including toner and magnetic carrier to a development range facing a latent image bearer to bear a latent image. The developer bearer includes a magnetic field generator having multiple magnetic poles and a cylindrical developing sleeve to rotate and bear developer on an outer circumferential surface thereof with magnetic force of the magnetic field generator disposed inside the developing sleeve. The developing sleeve receives development voltage including an AC component having a frequency of 2.0 kHz or lower, and a duty ratio of a component having a polarity opposite a toner normal charge polarity of the AC component is within a range from 4% to 20%.

摘要翻译： 显影装置包括显影承载件，通过旋转将携带调色剂和磁性载体的显影剂携带到面向潜像载体的显影范围上以承载潜像。 显影剂载体包括具有多个磁极的磁场发生器和一个圆柱形显影套筒，用于在其外圆周表面上旋转并承载显影剂，其磁性发生器的磁力设置在显影套筒的内部。 显影套筒接收包括具有2.0kHz或更低频率的AC分量的显影电压，并且具有与AC分量的调色剂正电荷极性相反的极性的分量的占空比在4％至20％的范围内。

公开(公告)号：US09229361B2

公开(公告)日：2016-01-05

申请号：US14329292

申请日：2014-07-11

申请人： Junichi Matsumoto ,  Kiyonori Tsuda ,  Nobuo Takami ,  Yutaka Takahashi ,  Kentaro Mikuniya ,  Keinosuke Kondoh ,  Tetsuya Muto

发明人： Junichi Matsumoto ,  Kiyonori Tsuda ,  Nobuo Takami ,  Yutaka Takahashi ,  Kentaro Mikuniya ,  Keinosuke Kondoh ,  Tetsuya Muto

IPC分类号： G03G15/08 ,  G03G15/00

CPC分类号： G03G15/0849 ,  G03G15/0856 ,  G03G15/0865 ,  G03G15/0879 ,  G03G15/553 ,  G03G2215/0888 ,  G03G2221/183

摘要： An image forming apparatus includes a developing device; a developer conveyance device including a developer container, a developer reservoir to receive developer discharged from the developer container, and a positive-displacement pump to discharge, from the developer reservoir, developer supplied to the developing device by alternately generating positive pressure and negative pressure due to volume changes; and a controller to control driving of the positive-displacement pump. When the controller recognizes a developer end state of the developer container, the controller lowers a developer conveyance capability of the positive-displacement pump from a setting used before the developer end state is recognized.

摘要翻译： 图像形成装置包括显影装置; 显影剂输送装置，包括显影剂容器，用于接收从显影剂容器排出的显影剂的显影剂储存器，以及正位移泵，其通过交替地产生正压和负压而从显影剂储存器向显影装置供给显影剂 量变化; 以及用于控制正排量泵的驱动的控制器。 当控制器识别显影剂容器的显影剂结束状态时，控制器从识别显影剂结束状态之前的设置降低正排量泵的显影剂输送能力。

公开(公告)号：US20150227086A1

公开(公告)日：2015-08-13

申请号：US14607491

申请日：2015-01-28

申请人： Keinosuke KONDOH ,  Kiyonori Tsuda ,  Yutaka Takahashi ,  Kentaro Mikuniya ,  Toshio Koike ,  Emiko Shiraishi

发明人： Keinosuke KONDOH ,  Kiyonori Tsuda ,  Yutaka Takahashi ,  Kentaro Mikuniya ,  Toshio Koike ,  Emiko Shiraishi

IPC分类号： G03G15/09

CPC分类号： G03G15/0921 ,  G03G15/065 ,  G03G15/0907

摘要： A developing device includes a developer bearer to carry, by rotation, developer including toner and magnetic carrier to a development range facing a latent image bearer to bear a latent image. The developer bearer includes a magnetic field generator having multiple magnetic poles and a cylindrical developing sleeve to rotate and bear developer on an outer circumferential surface thereof with magnetic force of the magnetic field generator disposed inside the developing sleeve. The developing sleeve receives development voltage including an AC component having a frequency of 2.0 kHz or lower, and a duty ratio of a component having a polarity opposite a toner normal charge polarity of the AC component is within a range from 4% to 20%.

摘要翻译： 显影装置包括显影承载件，通过旋转将携带调色剂和磁性载体的显影剂携带到面向潜像载体的显影范围上以承载潜像。 显影剂载体包括具有多个磁极的磁场发生器和一个圆柱形显影套筒，用于在其外圆周表面上旋转并承载显影剂，其磁性发生器的磁力设置在显影套筒的内部。 显影套筒接收包括具有2.0kHz或更低频率的AC分量的显影电压，并且具有与AC分量的调色剂正电荷极性相反的极性的分量的占空比在4％至20％的范围内。

公开(公告)号：US20140248061A1

公开(公告)日：2014-09-04

申请号：US14173104

申请日：2014-02-05

申请人： Nobuo TAKAMI ,  Junichi MATSUMOTO ,  Kiyonori TSUDA ,  Yutaka TAKAHASHI ,  Kentaro MIKUNIYA

发明人： Nobuo TAKAMI ,  Junichi MATSUMOTO ,  Kiyonori TSUDA ,  Yutaka TAKAHASHI ,  Kentaro MIKUNIYA

IPC分类号： G03G15/08

CPC分类号： G03G15/0887 ,  G03G15/0872

摘要： A developer replenishing device includes a container mount to hold a developer container to contain developer used in image formation, an installation completion detector to detect completion of installation of the developer container in the container mount, a replaceable containing portion to contain developer, a conveyance channel to which the containing portion is removably connected and through which developer is transported from the developer container held in the container mount to the containing portion, and a conveyance pump to transport developer from the developer container through the conveyance channel to the containing portion. In a state in which the developer container is not held in the container mount according to a detection result by the installation completion detector, the conveyance pump transports developer from the conveyance channel to the containing portion.

摘要翻译： 显影剂补充装置包括用于容纳显影剂容器以容纳图像形成中使用的显影剂的容器安装件，用于检测显影剂容器在容器安装件中的安装完成的安装完成检测器，容纳显影剂的可替换容纳部分，输送通道 所述容纳部分可移除地连接到所述容纳部分，并且通过所述容器部分将所述显影剂从所述容器安装件中的所述显影剂容器运送到所述容纳部分;以及输送泵，其将显影剂从所述显影剂容器通过所述输送通道输送到所述容纳部分。 在显影剂容器根据安装完成检测器的检测结果未被保持在容器底座中的状态下，输送泵将显影剂从输送通道输送到容纳部。

公开(公告)号：US20140133889A1

公开(公告)日：2014-05-15

申请号：US14066968

申请日：2013-10-30

申请人： Junichi MATSUMOTO ,  KIYONORI TSUDA ,  NOBUO TAKAMI ,  YUTAKA TAKAHASHI ,  KENTARO MIKUNIYA

发明人： Junichi MATSUMOTO ,  KIYONORI TSUDA ,  NOBUO TAKAMI ,  YUTAKA TAKAHASHI ,  KENTARO MIKUNIYA

IPC分类号： G03G15/08

CPC分类号： G03G15/0879 ,  G03G15/0872

摘要： A developer conveyance device includes a developer reservoir for containing developer, and a positive-displacement pump to alternately generate positive pressure and negative pressure by varying a volume of space therein to transport developer from the developer reservoir to a destination. When Qp represents a volume of developer moved by a single pumping action of the pump, calculated by multiplying a maximum flow amount of the pump per unit time by an operation time of the pump; Qd represents a volume of developer contained in the developer reservoir; and Qe represents a volume of developer present in a virtual columnar space defined by vertically raising the developer outlet to a level of developer contained in the developer reservoir, either Qp>Qd or Qp>Qe is satisfied.

摘要翻译： 显影剂输送装置包括用于容纳显影剂的显影剂储存器和通过改变其中的空间体积来交换产生正压和负压的正排量泵，以将显影剂从显影剂储存器运送到目的地。 当Qp表示通过泵的单次泵送动作移动的显影剂的体积，其通过将每单位时间的泵的最大流量乘以泵的操作时间来计算; Qd表示包含在显影剂储存器中的显影剂的体积; Qe表示存在于虚拟柱状空间中的显影剂的体积，其通过将显影剂出口垂直地升高到包含在显影剂储存器中的显影剂水平而限定，Qp> Qd或Qp> Qe。