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    • 10. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US09158260B2
    • 2015-10-13
    • US13940334
    • 2013-07-12
    • Yasuhiro SuzukiYohei Hashimoto
    • Yasuhiro SuzukiYohei Hashimoto
    • G03G15/00G03G15/16
    • G03G15/6529G03G15/1615G03G2215/0141
    • An image forming apparatus includes a developing roller, a conveyance roller which conveys a sheet; a driving source which provides a driving force to the developing roller and the conveyance roller, a developing driving gear mechanism which transmits the driving force of the driving source to the developing roller, and a conveyance driving gear mechanism which transmits the driving force of the driving source to the conveyance roller. The developing driving gear mechanism includes a developing driving switching mechanism which causes a rotating direction of the developing roller when the first driving source rotates in a first direction to be same as the rotating direction of the developing roller when the first driving source rotates in a second direction reverse to the first direction.
    • 图像形成装置包括显影辊,输送片材的输送辊; 向显影辊和输送辊提供驱动力的驱动源,将驱动源的驱动力传递到显影辊的显影驱动齿轮机构和传递驱动力的驱动力的输送驱动齿轮机构 来源到输送辊。 显影驱动齿轮机构包括显影驱动切换机构,当第一驱动源在第一驱动源以第二方向旋转时,当第一驱动源沿第一方向旋转时,使得显影辊的旋转方向与显影辊的旋转方向相同, 方向与第一方向相反。