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    Developing device and image forming apparatus including a contact member which is elastically deformed
    1.
    发明授权
    Developing device and image forming apparatus including a contact member which is elastically deformed 有权
    显影装置和图像形成装置包括弹性变形的接触构件

    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。

    Developer pump with restricted detection time and image forming device
    3.
    发明授权
    Developer pump with restricted detection time and image forming device 有权
    显影泵具有受限的检测时间和成像装置

    公开(公告)号：US09547257B2

    公开(公告)日：2017-01-17

    申请号：US14547574

    申请日：2014-11-19

    申请人： Junichi Matsumoto ,  Kiyonori Tsuda ,  Nobuo Takami ,  Yutaka Takahashi ,  Kentaro Mikuniya ,  Keinosuke Kondoh ,  Akihiro Kawakami ,  Toshio Koike

    发明人： Junichi Matsumoto ,  Kiyonori Tsuda ,  Nobuo Takami ,  Yutaka Takahashi ,  Kentaro Mikuniya ,  Keinosuke Kondoh ,  Akihiro Kawakami ,  Toshio Koike

    IPC分类号： G03G15/08

    CPC分类号： G03G15/0879 ,  G03G15/0858

    摘要： An image forming apparatus includes a developer conveyance device to transport developer, using a positive-displacement pump to alternately generate positive pressure and negative pressure by changing a volume of an internal space thereof, a destination developer container to which the developer conveyance device transports developer, a sensor provided to the destination developer container, to detect developer in the destination developer container, and a controller to control the positive-displacement pump according to a detection result generated by the sensor. The controller disabled detection of developer by the sensor in a non-detection period that starts from a stop of the positive-displacement pump.

    摘要翻译： 图像形成装置包括：显影剂输送装置，用于输送显影剂，使用正排量泵，通过改变其内部空间的体积来交替产生正压和负压;显影剂输送装置输送显影剂的目标显影剂容器; 提供给目的地显影剂容器的传感器，用于检测目标显影剂容器中的显影剂，以及根据由传感器产生的检测结果来控制正排量泵的控制器。 控制器在从容积泵的停止开始的非检测时段内禁止传感器检测显影剂。

    Developing device and image forming apparatus and process cartridge incorporating same
    5.
    发明授权
    Developing device and image forming apparatus and process cartridge incorporating same 有权
    显影装置和图像形成装置和结合其的处理盒

    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。

    DEVELOPING DEVICE AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE INCORPORATING SAME
    6.
    发明申请
    DEVELOPING DEVICE AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE INCORPORATING SAME 有权
    显影装置和图像形成装置及其加工方法

    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。

    Developing device and image forming apparatus and process cartridge incorporating same
    7.
    发明授权
    Developing device and image forming apparatus and process cartridge incorporating same 有权
    显影装置和图像形成装置和结合其的处理盒

    公开(公告)号：US09176431B2

    公开(公告)日：2015-11-03

    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。

    Image forming apparatus
    8.
    发明授权
    Image forming apparatus 有权

    公开(公告)号：US10203633B2

    公开(公告)日：2019-02-12

    申请号：US15956790

    申请日：2018-04-19

    申请人： Michiharu Suzuki ,  Hideo Yoshizawa ,  Jun Shiori ,  Toshio Koike ,  Kazuhiro Aso ,  Teppei Kikuchi ,  Keinosuke Kondoh

    发明人： Michiharu Suzuki ,  Hideo Yoshizawa ,  Jun Shiori ,  Toshio Koike ,  Kazuhiro Aso ,  Teppei Kikuchi ,  Keinosuke Kondoh

    IPC分类号： G03G15/08 ,  G03G15/00

    摘要： An image forming apparatus includes an intermediate transferor, a plurality of image bearers, a plurality of developing devices, a plurality of developer containers, a plurality of conveyance paths, and a plurality of sub-hoppers. At least one set of an image bearer, a developing device, and a sub-hopper is disposed at a height different from other sets. The arrangement of the plurality of developing devices and the plurality of sub-hoppers in the rotation direction of the intermediate transferor is changed while satisfying the following. The arrangement of the plurality of developer containers is not changed and the connections between the plurality of developing devices and the plurality of sub-hoppers are not change, while the layout of the plurality of tubes as the plurality of conveyance paths is changed so that the connections between the plurality of tubes and the plurality of sub-hoppers are not changed.