Developing device having a magnetic member and image forming apparatus including developing device
    2.
    发明授权
    Developing device having a magnetic member and image forming apparatus including developing device 有权
    具有磁性构件的显影装置和包括显影装置的图像形成装置

    公开(公告)号:US08588663B2

    公开(公告)日:2013-11-19

    申请号:US13036494

    申请日:2011-02-28

    IPC分类号: G03G15/08

    CPC分类号: G03G15/0812

    摘要: A developing device includes: a developer holding body including: a hollow development rotary body which is opposed to an image holding body capable of holding a toner image and has a smooth surface whose surface roughness is lower than or equal to 5 μm in terms of maximum height; and a magnet member which is fixedly housed in the development rotary body and in which a plurality of magnetic poles are arranged alongside its periphery, the developer holding body operating in such a manner that developer containing toner and carrier is held on the development rotary body by magnetic force produced by the magnetic poles of the magnet member as the development rotary body is rotated; a layer regulating rotary body as defined herein; and a development driving device as defined herein.

    摘要翻译: 显影装置包括:显影剂保持体,包括:中空显影旋转体,其与能够保持调色剂图像的图像保持体相对,并且具有表面粗糙度以最大值表示的表面粗糙度小于或等于5μm的光滑表面 高度; 以及固定地容纳在显影旋转体中并且多个磁极沿着其周边布置的磁性构件,显影剂保持体以使包含调色剂和载体的显影剂被保持在显影旋转体上的方式操作, 由作为显影旋转体的磁性构件的磁极产生的磁力旋转; 如本文所定义的层调节旋转体; 以及如本文所定义的显影驱动装置。

    Image forming apparatus
    3.
    发明授权
    Image forming apparatus 有权
    图像形成装置

    公开(公告)号:US07702264B2

    公开(公告)日:2010-04-20

    申请号:US11783979

    申请日:2007-04-13

    IPC分类号: G03G15/08

    CPC分类号: G03G15/0266 G03G15/0818

    摘要: An image forming apparatus includes an image carrier that carries a latent image; a charging device that charges the image carrier with a charging voltage having an AC component; and a roller that carries a developer to be supplied to the image carrier in a developing position, with a surface of the roller provided with axially-formed grooves, the frequency of the AC component of the charging voltage and the number of the grooves provided on the roller being set so that non-uniformity in density of an output image becomes invisible, caused by interference between the frequency of the AC component of the charging voltage and the frequency at which the grooves pass the developing position.

    摘要翻译: 图像形成装置包括承载潜像的图像载体; 充电装置,用具有AC分量的充电电压对图像载体进行充电; 以及辊,其在显影位置承载要供应到图像载体的显影剂,其中辊的表面设置有轴向形成的凹槽,充电电压的AC分量的频率和设置在其上的凹槽的数量 辊被设定为使得由充电电压的AC分量的频率和槽通过显影位置的频率之间的干扰引起的输出图像的密度的不均匀性变得不可见。

    Image forming apparatus
    4.
    发明申请
    Image forming apparatus 有权
    图像形成装置

    公开(公告)号:US20080080905A1

    公开(公告)日:2008-04-03

    申请号:US11783979

    申请日:2007-04-13

    IPC分类号: G03G15/08 G03G15/09

    CPC分类号: G03G15/0266 G03G15/0818

    摘要: An image forming apparatus includes an image carrier that carries a latent image; a charging device that charges the image carrier with a charging voltage having an AC component; and a roller that carries a developer to be supplied to the image carrier in a developing position, with a surface of the roller provided with axially-formed grooves, the frequency of the AC component of the charging voltage and the number of the grooves provided on the roller being set so that non-uniformity in density of an output image becomes invisible, caused by interference between the frequency of the AC component of the charging voltage and the frequency at which the grooves pass the developing position.

    摘要翻译: 图像形成装置包括承载潜像的图像载体; 充电装置,用具有AC分量的充电电压对图像载体进行充电; 以及辊,其在显影位置承载要供应到图像载体的显影剂,其中辊的表面设置有轴向形成的凹槽,充电电压的AC分量的频率和设置在其上的凹槽的数量 辊被设定为使得由充电电压的AC分量的频率和槽通过显影位置的频率之间的干扰引起的输出图像的密度的不均匀性变得不可见。

    Developing device and image forming apparatus
    5.
    发明授权
    Developing device and image forming apparatus 有权
    显影装置和图像形成装置

    公开(公告)号:US08135301B2

    公开(公告)日:2012-03-13

    申请号:US12478321

    申请日:2009-06-04

    IPC分类号: G03G15/08

    CPC分类号: G03G15/0815

    摘要: A developing device includes a developer transporting member arranged so that its circumferential surface faces an image carrier for carrying an electrostatic image on its surface, the developer transporting member being rotated in a circumferential direction while carrying the developer on its circumferential surface to transport a developer to a developing region in which the surface of the image carrier and the circumferential surface of the developer transporting member face each other, and having a groove extending in its circumferential direction outside in an axial direction of a developer carrying region; and a suction port arranged at least at one of an upstream side region and a downstream side region of the developer transporting member, wherein the upstream side region is located adjacent to and upstream of the developing region and the downstream side region is located adjacent to and downstream of the developing region in the rotating direction of the developer transporting member.

    摘要翻译: 显影装置包括显影剂传送构件,其布置成使得其圆周表面面对用于在其表面上承载静电图像的图像载体,显影剂传送构件在圆周方向上旋转,同时在其周向表面上携带显影剂以将显影剂输送到 显影区域,其中图像载体的表面和显影剂传送构件的周向表面彼此面对,并且具有沿其周向方向在显影剂承载区域的轴向方向外延伸的凹槽; 以及设置在所述显影剂输送部件的上游侧区域和下游侧区域中的至少一方的吸入口,其中,所述上游侧区域位于所述显影区域的上游侧和所述下游侧区域附近, 在显影剂传送构件的旋转方向上的显影区域的下游。

    DEVELOPMENT UNIT, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
    6.
    发明申请
    DEVELOPMENT UNIT, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS 有权
    发展单位,过程盒和图像形成装置

    公开(公告)号:US20100061768A1

    公开(公告)日:2010-03-11

    申请号:US12417264

    申请日:2009-04-02

    IPC分类号: G03G15/08

    摘要: A development unit includes a developer accommodating part that accommodates a developer therein, a developer stirring-transporting member that transports the developer in the developer accommodating part while stirring the developer, a bearing part that receives a rotating shaft of the developer stirring-transporting member, a magnetic member that is located between the bearing part and the developer accommodating part and fixed around the rotating shaft, and a stirring member that is spaced apart from the magnetic member so as to be opposed to the magnetic member and that is arranged at the rotating shaft of the developer stirring-transporting member.

    摘要翻译: 显影单元包括容纳其中的显影剂的显影剂容纳部分,在搅拌显影剂的同时将显影剂输送到显影剂容纳部分中的显影剂搅拌输送部件,接收显影剂搅拌输送部件的旋转轴的轴承部件, 位于所述支承部和所述显影剂容纳部之间并固定在所述旋转轴周围的磁性部件,以及搅拌部件,与所述磁性部件间隔开以与所述磁性部件相对并且配置在所述旋转体 显影剂搅拌输送部件的轴。

    IMAGE FORMING APPARATUS
    7.
    发明申请
    IMAGE FORMING APPARATUS 有权
    图像形成装置

    公开(公告)号:US20100142983A1

    公开(公告)日:2010-06-10

    申请号:US12464460

    申请日:2009-05-12

    IPC分类号: G03G15/00

    CPC分类号: G03G15/5062

    摘要: There is provided an image forming apparatus. The image forming apparatus, after controlling so as to develop the developer image representing the predetermined image formed a plurality of times in the same location on an image carrier by an exposing component, controls such that without performing exposure with the exposing component, the developer image, developed on the image carrier by the developing component applying a biasing voltage to the developer so as to adhere the developer to the image carrier including to the same location on the image carrier, is transferred to the transfer component and detects whether or not a ghost image is generated by comparing the density detected by a detecting component at a position of a transfer body corresponding to the same location of the image carrier to a reference density.

    摘要翻译: 提供了一种图像形成装置。 图像形成装置在通过曝光分量在图像载体上在相同位置上形成表示预定图像的显影剂图像的控制之后,控制使得不用曝光成分进行曝光,显影剂图像 通过显影部件在显影部件上向显影剂施加偏置电压以将显影剂粘附到包括在图像载体上的相同位置的图像载体上的图像载体上被传送到传送部件并检测是否存在重影 通过将与图像载体的相同位置对应的传送体的位置处的检测部件检测到的浓度与参考密度进行比较来生成图像。

    Developing device and image forming apparatus
    9.
    发明授权
    Developing device and image forming apparatus 有权
    显影装置和图像形成装置

    公开(公告)号:US08611798B2

    公开(公告)日:2013-12-17

    申请号:US12706299

    申请日:2010-02-16

    IPC分类号: G03G15/08

    CPC分类号: G03G15/0935 G03G2215/0648

    摘要: A developing device includes: a developing housing in which a developer is to be contained; a first developer carrier that is placed opposedly to an image carrier which is rotated while a latent image is formed on a surface of the image carrier, that is supported by the developing housing, and that is rotated while holding the developer on a surface of the first developer carrier; a second developer carrier that is supported movably with respect to the developing housing, that is opposed to the image carrier on an upstream or downstream side of the first developer carrier in a rotation direction of the image carrier, and that is rotated while holding the developer on a surface of the second developer carrier; and a coupling defined herein.

    摘要翻译: 显影装置包括:显影壳体,其中容纳显影剂; 第一显影剂载体相对于图像载体放置,当潜像形成在图像载体的表面上时,该图像载体被旋转,该图像载体由显影壳体支撑,并且在将显影剂保持在显影剂的表面上的同时旋转 第一位开发商 相对于显影壳体可移动地被支撑的第二显影剂载体,其在图像载体的旋转方向上与第一显影剂载体的上游或下游侧上的图像载体相对,并且在保持显影剂的同时旋转 在第二显影剂载体的表面上; 和本文定义的耦合。

    Image forming apparatus capable of detecting ghost image
    10.
    发明授权
    Image forming apparatus capable of detecting ghost image 有权
    能够检测重影图像的图像形成装置

    公开(公告)号:US07903988B2

    公开(公告)日:2011-03-08

    申请号:US12464460

    申请日:2009-05-12

    IPC分类号: G03G15/00

    CPC分类号: G03G15/5062

    摘要: There is provided an image forming apparatus. The image forming apparatus, after controlling so as to develop the developer image representing the predetermined image formed a plurality of times in the same location on an image carrier by an exposing component, controls such that without performing exposure with the exposing component, the developer image, developed on the image carrier by the developing component applying a biasing voltage to the developer so as to adhere the developer to the image carrier including to the same location on the image carrier, is transferred to the transfer component and detects whether or not a ghost image is generated by comparing the density detected by a detecting component at a position of a transfer body corresponding to the same location of the image carrier to a reference density.

    摘要翻译: 提供了一种图像形成装置。 图像形成装置在通过曝光分量在图像载体上在相同位置上形成表示预定图像的显影剂图像的控制之后,控制使得不用曝光成分进行曝光,显影剂图像 通过显影部件在显影部件上向显影剂施加偏置电压以将显影剂粘附到包括在图像载体上的相同位置的图像载体上的图像载体上被传送到传送部件并检测是否存在重影 通过将与图像载体的相同位置对应的传送体的位置处的检测部件检测到的浓度与参考密度进行比较来生成图像。