Developer amount detecting method, developing device, process cartridge and electrophotographic image forming apparatus
    2.
    发明授权
    Developer amount detecting method, developing device, process cartridge and electrophotographic image forming apparatus 失效
    显影剂量检测方法,显影装置,处理盒和电子照相成像装置

    公开(公告)号:US06397018B1

    公开(公告)日:2002-05-28

    申请号:US09633258

    申请日:2000-08-04

    IPC分类号: G03G1508

    摘要: A developing device includes a developer container which is mountable to an electrophotographic image forming apparatus main body, contains a developer for developing an electrostatic latent image formed on an electrophotographic photosensitive member, and includes a developer bearing member for carrying the developer to the electrophotographic photosensitive member, and a plurality of developer remaining amount detectors for successively detecting the remaining amount of developer within the developer container, wherein regions detected by the plurality of developer remaining amount detectors are overlapped with each other, and in the overlapped regions, a detected value by a previous developer remaining amount detector is changed over to a detected value by a succeeding developer remaining amount detector, and the apparatus main body detects the detected value to detect the remaining amount of developer.

    摘要翻译: 显影装置包括可安装到电子照相成像设备主体的显影剂容器,包含用于显影形成在电子照相感光构件上的静电潜像的显影剂,并且包括用于将显影剂携带到电子照相感光构件的显影剂承载构件 以及多个显影剂剩余量检测器,用于连续地检测显影剂容器内的显影剂的剩余量,其中由多个显影剂剩余量检测器检测的区域彼此重叠,并且在重叠区域中,检测值为 先前的显影剂剩余量检测器通过后续显影剂剩余量检测器转换到检测值,并且设备主体检测检测值以检测显影剂的剩余量。

    Electrophotographic image forming apparatus
    3.
    发明授权
    Electrophotographic image forming apparatus 有权
    电子照相成像设备

    公开(公告)号:US06408143B2

    公开(公告)日:2002-06-18

    申请号:US09749929

    申请日:2000-12-29

    IPC分类号: G03G1508

    CPC分类号: G03G15/0856 G03G15/0858

    摘要: An electrophotographic image forming apparatus for forming an image on a recording medium includes an electrophotographic photosensitive member, an electrostatic latent image forming device for forming an electrostatic latent image on the electrophotographic photosensitive member, a developing device for developing the electrostatic latent image formed on the electrophotographic photosensitive member, a developer remaining amount detecting device for successively detecting the remaining amount of developer to be used for the development of the electrostatic latent image by the developing device, and a developer remaining amount indicating device for indicating the remaining amount of developer detected by the developer remaining amount detecting device. The developer remaining amount indicating device indicates the remaining amount of developer as a gauge and indicates it with graduations shown on the gauge that are changed over in conformity with the remaining amount of developer.

    摘要翻译: 用于在记录介质上形成图像的电子照相图像形成装置包括电子照相感光构件,用于在电子照相感光构件上形成静电潜像的静电潜像形成装置,用于使形成在电子照相感光构件上的静电潜像显影的显影装置 感光构件,用于连续检测由显影装置用于显影静电潜像的显影剂的剩余量的显影剂剩余量检测装置和用于指示由显影装置检测到的显影剂的剩余量的显影剂剩余量指示装置 显影剂余量检测装置。 显影剂剩余量指示装置将显影剂的剩余量指示为量规,并以与显影剂的剩余量相一致的量规上显示的刻度来表示。

    Developing device having magnetic seals
    8.
    发明授权
    Developing device having magnetic seals 失效
    具有磁性密封的显影装置

    公开(公告)号:US6160976A

    公开(公告)日:2000-12-12

    申请号:US896960

    申请日:1997-07-18

    IPC分类号: G03G15/08 G03G15/09

    CPC分类号: G03G15/0942

    摘要: A developing device includes a developer container containing magnetic particles; a developer holding unit formed at an opening portion of the developer container, the developer holding unit rotating while holding a developer; a magnetic field generating unit placed in the developer holding unit; a magnet placed along a circumferential direction of the developer holding unit to form a magnetic seal between the magnet and the developer holding unit; and a magnetic unit placed to be adjacent to the magnet. The developing device attains a reduction in driving torque and a high magnetic sealing performance.

    摘要翻译: 显影装置包括含有磁性颗粒的显影剂容器; 形成在显影剂容器的开口部分的显影剂保持单元,显影剂保持单元同时保持显影剂; 放置在显影剂保持单元中的磁场产生单元; 沿着显影剂保持单元的圆周方向放置的磁体,以在磁体和显影剂保持单元之间形成磁性密封; 以及放置成与磁体相邻的磁性单元。 显影装置实现了驱动转矩的降低和高的磁密封性能。

    Process cartridge, electrophotographic image forming apparatus and
coupling therebetween
    10.
    发明授权
    Process cartridge, electrophotographic image forming apparatus and coupling therebetween 失效
    处理盒,电子照相成像设备和它们之间的耦合

    公开(公告)号:US6070028A

    公开(公告)日:2000-05-30

    申请号:US939014

    申请日:1997-09-26

    CPC分类号: G03G21/1832 G03G15/0942

    摘要: A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus includes an electrophotographic photosensitive member; a cartridge coupling member, provided coaxially with the photosensitive member, for engaging with a main assembly coupling member to receive driving force for rotating the photosensitive member when the process cartridge is mounted to the main assembly; a developing roller for supplying toner to the photosensitive member to develop a latent image formed on the photosensitive member; a driving force transmission member, disposed at one longitudinal end of the photosensitive member to transmit the driving force from the photosensitive member to the developing roller; a driving force receiving member, engaged with the driving force transmission member and disposed at one longitudinal end of the developing roller, for receiving the driving force for rotating the developing roller; and a magnetic seal member, disposed with a gap from the developing roller, for preventing leakage of the toner in a longitudinal direction of the developing roller.

    摘要翻译: 可拆卸地安装到电子照相图像形成装置的主组件的处理盒包括电子照相感光构件; 与感光构件同轴设置的盒式联接构件,用于与主组件联接构件接合,以在处理盒安装到主组件时接收用于旋转感光构件的驱动力; 用于向感光构件供应调色剂以显影形成在感光构件上的潜像的显影辊; 驱动力传递构件,设置在感光构件的一个纵向端部,以将驱动力从感光构件传递到显影辊; 驱动力接收构件,其与驱动力传递构件接合并设置在显影辊的一个纵向端,用于接收用于使显影辊旋转的驱动力; 以及与显影辊间隔设置的磁性密封件,用于防止调色剂在显影辊的纵向上泄漏。