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    DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
    7.
    发明申请
    DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS 审中-公开

    公开(公告)号：US20180364620A1

    公开(公告)日：2018-12-20

    申请号：US15968014

    申请日：2018-05-01

    申请人： Tomohiro Kubota ,  Naoki Nakatake ,  Minoru Toyoda ,  Kazuki Matsumoto ,  Kenji Nakamura

    发明人： Tomohiro Kubota ,  Naoki Nakatake ,  Minoru Toyoda ,  Kazuki Matsumoto ,  Kenji Nakamura

    IPC分类号： G03G15/08

    摘要： A developing device is provided which includes: a developing roller in contact with or facing an image hearer; a supply roller to supply toner to the developing roller; a casing; a first conveyer disposed within the casing and above the supply roller to supply toner stored in the developing device to the supply roller, while forming a first conveyance path; a second conveyer disposed within the casing with an upper end thereof positioned below that of the first conveyer, while forming a second conveyance path forming a toner circulation path together with the first conveyance path; a partition wall separating the first conveyance path and the second conveyance path in a longitudinal direction within a range excluding both longitudinal end portions; and a toner supply port, at a ceiling of the casing above the second conveyance path, through which toner is supplied to an inside of the developing device.

    Image forming apparatus and process cartridge
    8.
    发明授权
    Image forming apparatus and process cartridge 有权
    成像设备和处理盒

    公开(公告)号：US09360824B2

    公开(公告)日：2016-06-07

    申请号：US14791658

    申请日：2015-07-06

    申请人： Tomohiro Fukao ,  Tsuyoshi Nozaki ,  Yoshihiro Mikuriya ,  Yoshimichi Ishikawa ,  Atsushi Yamamoto ,  Kazuoki Fuwa ,  Tomoharu Miki ,  Naoki Nakatake ,  Takeshi Yamashita ,  Tetsushi Sakuma

    发明人： Tomohiro Fukao ,  Tsuyoshi Nozaki ,  Yoshihiro Mikuriya ,  Yoshimichi Ishikawa ,  Atsushi Yamamoto ,  Kazuoki Fuwa ,  Tomoharu Miki ,  Naoki Nakatake ,  Takeshi Yamashita ,  Tetsushi Sakuma

    IPC分类号： G03G21/00

    CPC分类号： G03G21/0011 ,  G03G21/0017 ,  G03G2215/0132

    摘要： An image forming apparatus is provided which includes an image bearer, a charger, an irradiator, a developing device to develop an electrostatic latent image on the image bearer with a toner to form a toner image, a transfer device to transfer the toner image onto a transfer medium, and a cleaner to remove toner particles remaining on the image bearer without being transferred. The toner includes a mother particle including a binder resin and a colorant and one or more external additives. At least one of the external additives includes primary particles having a number average particle diameter in the range of 0.05 to 0.30 μm. The cleaner includes an elastic body blade having a contact part with the image bearer. The contact part has a surface elastic modulus in the range of 15 to 25 N/mm2 and a surface friction coefficient in the range of 0.5 to 0.7.

    摘要翻译： 提供一种图像形成装置，其包括图像载体，充电器，照射器，显影装置，用调色剂显影图像载体上的静电潜像以形成调色剂图像;转印装置，用于将调色剂图像转印到 转印介质和清洁剂以除去残留在图像载体上的调色剂颗粒而不被转印。 调色剂包括包含粘合剂树脂和着色剂的母体颗粒和一种或多种外部添加剂。 外部添加剂中的至少一种包括数均粒径为0.05〜0.30μm的一次粒子。 清洁器包括具有与图像承载体的接触部分的弹性体刀片。 接触部的表面弹性模量为15〜25N / mm 2，表面摩擦系数为0.5〜0.7。