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    • 4. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US07046950B2
    • 2006-05-16
    • US10795272
    • 2004-03-09
    • Hiroshi FumaHaruo IwahashiHisayoshi NagaseMasahiro Onodera
    • Hiroshi FumaHaruo IwahashiHisayoshi NagaseMasahiro Onodera
    • G03G15/20
    • G03G15/206G03G15/2064G03G2215/2016G03G2215/2022G03G2215/2032
    • An embodiment of the invention includes a fixing device of an image forming apparatus. The fixing device may include a first pressure applying roller, a second pressure applying roller which is pressed onto the first pressure applying roller, and a fixing belt which is entrained about the first pressure applying roller and is pressed onto the first pressure applying roller by the second pressure applying roller. When a transfer material carrying an unfixed image is inserted between the second pressure applying roller and the fixing belt, the unfixed image may be brought into contact with the fixing belt so that the unfixed image is heated and fixed on the transfer material. A frictional coefficient between the fixing belt and the first pressure applying roller may be set to be less than a frictional coefficient between the fixing belt and the transfer material.
    • 本发明的实施例包括图像形成装置的定影装置。 定影装置可以包括第一加压辊,压在第一加压辊上的第二加压辊和夹在第一加压辊周围并被第一加压辊压在第一加压辊上的定影带 第二加压辊。 当携带未定影图像的转印材料插入在第二加压辊和定影带之间时,未定影的图像可以与定影带接触,使得未定影的图像被加热并固定在转印材料上。 定影带与第一加压辊之间的摩擦系数可以设定为小于定影带与转印材料之间的摩擦系数。
    • 10. 发明授权
    • Color image forming apparatus
    • 彩色图像形成装置
    • US5758243A
    • 1998-05-26
    • US798485
    • 1997-02-10
    • Satoshi HanedaHisayoshi NagaseHiroyuki TokimatsuMasahiro OnoderaShuta HamadaToshihide Miura
    • Satoshi HanedaHisayoshi NagaseHiroyuki TokimatsuMasahiro OnoderaShuta HamadaToshihide Miura
    • G03G15/02G03G15/00G03G15/01G03G15/08G03G15/16G03G21/00G03G21/16
    • G03G15/0152G03G15/0163G03G2215/0174G03G2215/0497
    • An image forming apparatus includes a rotary image forming body; a charger provided around the image forming body for charging the image forming body; a plurality of imagewise exposure devices for imagewise exposing the charged image forming body to form respective latent images thereon; and a plurality of developing devices for developing the respective latent images formed on the image forming body to form respective toner images. A plurality of different color toner images thus formed by the respective chargers, the respective imagewise exposure devices and the respective developing devices are superimposed on the image forming body, thereby a color toner image is formed. The image forming apparatus further includes a transfer device for transferring the color toner image on the image forming body onto a transfer member; a cleaning device for removing a residual toner on the image forming body; a support member for supporting the plurality of exposure devices. The support member and plurality of exposure devices supported on the support member are provided inside the image forming body kept in a static status. The image forming apparatus is further provided with a gap keeping member for holding the chargers, the developing devices, the transfer device or the cleaning device with positional reference to the support member so as to keep a gap with the image forming body constant.
    • 图像形成装置包括旋转图像形成体; 设置在图像形成体周围的用于对图像形成体进行充电的充电器; 多个图像曝光装置,用于对所充电的图像形成体进行成像曝光以在其上形成各自的潜像; 以及用于显影形成在图像形成主体上的各个潜像以形成相应调色剂图像的多个显影装置。 由各个充电器,各个成像曝光装置和各个显影装置形成的多个不同颜色的调色剂图像叠加在图像形成体上,由此形成彩色调色剂图像。 图像形成装置还包括用于将图像形成体上的彩色调色剂图像转印到转印部件上的转印装置; 用于去除图像形成体上的残留调色剂的清洁装置; 用于支撑多个曝光装置的支撑构件。 支撑构件和支撑在支撑构件上的多个曝光装置设置在保持静止状态的图像形成体内。 图像形成装置还设置有用于保持充电器,显影装置,转印装置或清洁装置的间隙保持构件,其位置参考支撑构件,以保持与图像形成体的间隙恒定。