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    • 24. 发明申请
    • IMAGE FORMING APPARATUS
    • 图像形成装置
    • US20090028619A1
    • 2009-01-29
    • US12176478
    • 2008-07-21
    • Masaru Takagi
    • Masaru Takagi
    • G03G15/00
    • G03G15/234
    • An image forming apparatus includes an image forming section for transferring a toner image onto a sheet; a fixing section for fixing the toner image on the sheet; and a reversing section for reversing the sheet front and back. A first pair of rollers conveys a sheet to which a fix processing is applied to the reversing section; a second pair of rollers feeds the sheet from the reversing section by reverse rotation; and a third pair of rollers transfers the sheet back to the image forming section so that an image forming is performed with respect to the back side of the sheet. One roller of the second pair of rollers has on its outer peripheral surface an arc-shaped surface and a non-arc-shaped surface receding inwardly from a circle drawn continuously from the arc-shaped surface.
    • 图像形成装置包括用于将调色剂图像转印到片材上的图像形成部分; 用于将调色剂图像定影在片材上的固定部分; 以及用于使纸张正面和背面反转的反转部分。 第一对辊将向其翻转部分施加固定处理的片材; 第二对辊通过反向旋转从反转部分供给片材; 并且第三对辊将纸张转回到图像形成部分,使得相对于片材的背面执行图像形成。 第二对辊的一个辊在其外周表面上具有弧形表面和从弧形表面连续绘制的圆向内退出的非弧形表面。