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    Latent electrostatic image developing device having regulating blade with chamfer
    4.
    发明授权
    Latent electrostatic image developing device having regulating blade with chamfer 失效
    具有倒角调节片的潜像静电图像显影装置

    公开(公告)号：US5737676A

    公开(公告)日：1998-04-07

    申请号：US659749

    申请日：1996-06-06

    申请人： Masahiko Maeda ,  Masayuki Nakashima ,  Masao Uyama ,  Shoji Tomita ,  Kenichiro Kitajima

    发明人： Masahiko Maeda ,  Masayuki Nakashima ,  Masao Uyama ,  Shoji Tomita ,  Kenichiro Kitajima

    IPC分类号： G03G15/08

    CPC分类号： G03G15/0812

    摘要： A latent electrostatic image developing device for use in developing a latent electrostatic image to a toner image in an image forming machine. The device includes a developing roller within a development housing for holding a developer on its surface in a developer holding zone and conveying the developer, which is held to a developing zone, in order to apply it to a latent electrostatic image. A restricting portion has a blade which includes a rigid part for acting on the surface of the developing roller in a developer restricting zone located between the developer holding zone and the developing zone in order to restrict the amount of the developer held on the surface. The blade is caused to protrude to the upstream side as viewed in the direction of movement of the developing roller, and that border of its protrusion facing the developing roller is provided with a C 0.1 to 0.6 mm chamfer (C being the JIS designation for a 45 degree chamfer).

    摘要翻译： 一种用于在图像形成机中将静电潜像显影成调色剂图像的静电潜像显影装置。 该装置包括在显影壳体内的显影辊，用于在显影剂保持区的表面上保持显影剂，并将保持在显影区上的显影剂输送以将其施加到静电潜像。 限制部分具有刀片，刀片包括用于在位于显影剂保持区域和显影区域之间的显影剂限制区域中作用在显影辊的表面上的刚性部件，以便限制保持在表面上的显影剂的量。 从显影辊的移动方向看，叶片突出到上游侧，其突出面向显影辊的边界设置有C 0.1至0.6mm的倒角（C为JIS 45度倒角）。

    Apparatus for developing an electrostatic latent image having limiting blade holding device
    5.
    发明授权
    Apparatus for developing an electrostatic latent image having limiting blade holding device 失效
    用于显影具有限制刀片保持装置的静电潜像的装置

    公开(公告)号：US5557380A

    公开(公告)日：1996-09-17

    申请号：US492511

    申请日：1995-06-20

    申请人： Masahiko Maeda ,  Shoji Tomita ,  Masao Uyama ,  Masayuki Nakashima ,  Kenichiro Kitajima

    发明人： Masahiko Maeda ,  Shoji Tomita ,  Masao Uyama ,  Masayuki Nakashima ,  Kenichiro Kitajima

    IPC分类号： G03G15/08 ,  G03G15/06

    CPC分类号： G03G15/0818 ,  G03G15/0812 ,  G03G2215/0861

    摘要： An apparatus for developing an electrostatic latent image includes a developing agent application device which holds the developing agent on the surface thereof in the developing agent-holding zone, and conveys the thus held developing agent into a developing zone to apply it onto the electrostatic latent image. A limiting device is included for limiting the amount of the developing agent held on the surface of the developing agent application device in a developing agent limiting zone located between the developing agent holding zone and the developing zone. The limiting device includes a blade made of a rigid member that is brought into forced contact with the surface of the developing agent application device, a blade support device for supporting the blade in a manner such that a first surface thereof is forced into contact with the surface of the developing agent application device, and a resilient urging device which is disposed on a side of a second surface of the blade. The blade support device includes lower support members for supporting the lower end at the blade. The application device has an Asker C hardness between 67 to 85, the blade exerts a line pressure of 40 to 90 g/cm, and the developing agent thickness is limited in the range of 20 to 27 .mu.m.

    摘要翻译： 用于显影静电潜像的装置包括显影剂施加装置，其将显影剂保持在显影剂保持区域的表面上，并将如此保持的显影剂输送到显影区域以将其施加到静电潜像上 。 包括限制装置，用于限制在位于显影剂保持区和显影区之间的显影剂限制区中保持在显影剂施加装置的表面上的显影剂的量。 限制装置包括由与显影剂施加装置的表面强制接触的刚性构件制成的刀片，用于以使得其第一表面被迫与第一表面接触的方式支撑刀片的刀片支撑装置 显影剂施加装置的表面和设置在叶片的第二表面侧的弹性推动装置。 叶片支撑装置包括用于支撑叶片下端的下支撑构件。 涂布装置的Asker C硬度在67至85之间，叶片施加40至90g / cm的管线压力，显影剂厚度限制在20至27μm的范围内。