DEVELOPING DEVICE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD
    25.
    发明申请
    DEVELOPING DEVICE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD 有权
    开发设备,处理盒,图像形成装置和图像形成方法

    公开(公告)号:US20150078777A1

    公开(公告)日:2015-03-19

    申请号:US14474870

    申请日:2014-09-02

    IPC分类号: G03G15/08

    摘要: A developing device includes a developing roller including a base and a surface layer formed on the base, the surface layer including a polyurethane resin having a fluorine group and a polyfunctional isocyanurate structure, a toner storage chamber being partially in contact with the developing roller and to support the developing roller, and a sealing member provided at opposed ends of an end portion of the toner storage chamber in a rotating axis direction of the developing roller, and to seal in toner moving to the end portion of the toner storage chamber, the sealing member before use having a coefficient of static friction in a range of from 0.08 to 0.19.

    摘要翻译: 显影装置包括:显影辊,包括基底和形成在基底上的表面层,所述表面层包括具有氟基的聚氨酯树脂和多官能异氰脲酸酯结构,调色剂储存室部分地与显影辊接触, 支撑显影辊,以及密封构件,其设置在调色剂储存室的端部的显影辊的旋转轴线方向的相对端部,并且密封调色剂移动到调色剂储存室的端部,密封件 使用前的静电摩擦系数在0.08至0.19的范围内。

    Image developer, process cartridge, and image forming apparatus
    26.
    发明授权
    Image developer, process cartridge, and image forming apparatus 失效
    图像显影剂,处理盒和成像装置

    公开(公告)号:US08526864B2

    公开(公告)日:2013-09-03

    申请号:US13071902

    申请日:2011-03-25

    IPC分类号: G03G15/08

    摘要: An image developer, including a developer container containing a developer developing a latent image on a latent image bearer; a developer bearer bearing the developer, located close to or contacting the latent image bearer; and a developer feeding and collection roller feeding the developer onto the developer bearer and scraping the developer therefrom, rotating while contacting thereto with pressure, wherein the developer feeding and collection roller includes an inner layer formed of an electroconductive foamed rubber; and an outer layer formed of an insulative foamed rubber, and wherein the following relationship is satisfied: α≧T wherein α represents a compression amount of the pressure of the developer feeding and collection roller to the developer bearer; and T represents a thickness of the outer layer, and wherein an offset voltage having a polarity opposite to that of the charged developer is applied to the developer feeding and collection roller.

    摘要翻译: 一种图像显影剂,包括含有在潜像承载体上显影潜像的显影剂的显影剂容器; 承载显影剂的显影剂承载件位于靠近或接触潜影承载体的位置; 以及显影剂供给和收集辊,其将显影剂供给到显影剂承载体上并刮擦显影剂,同时与其接触压力旋转,其中显影剂供给和收集辊包括由导电泡沫橡胶形成的内层; 和由绝缘发泡橡胶形成的外层,并且其中满足以下关系:α> = T其中α表示显影剂供给和收集辊对显影剂载体的压力的压缩量; 并且T表示外层的厚度,并且其中具有极性与带电显影剂的极性相反的偏移电压被施加到显影剂供给和收集辊。