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    • 10. 发明申请
    • SHEET FEEDING APPARATUS AND IMAGE FORMING APPARATUS
    • 纸张进给装置和图像形成装置
    • US20130049288A1
    • 2013-02-28
    • US13565170
    • 2012-08-02
    • Shinji Kubo
    • Shinji Kubo
    • B65H3/06B65H9/00
    • B65H3/0638B65H2402/61B65H2404/1113B65H2601/324
    • A roller main body including a roller core and a roller holder that supports the roller main body. The roller main body includes a boss protruding from each of both side surfaces of an end portion of the roller core, and a rib formed on each of the both side surfaces of the roller core, the roller holder includes a groove portion that detachably and rotatably supports the boss, and a recess that fixes the roller main body by locking the rib of the roller main body that rotates about the boss, the groove portion includes a rotation sliding contact portion that rotatably slides the boss, and a guiding path portion that guides the boss to the rotation sliding contact portion, and the guiding path portion is formed to have a width smaller than a maximum diameter of the boss.
    • 一种辊主体,其包括辊芯和支撑辊主体的辊保持器。 辊主体包括从辊芯的端部的两个侧表面中的每一个突出的凸台和形成在辊芯的两个侧表面中的每一个上的肋,辊保持器包括可拆卸地和可旋转地 支撑凸台,以及凹部,其通过锁定围绕凸台旋转的辊主体的肋来固定辊主体,凹槽部分包括可旋转地滑动凸台的旋转滑动接触部分,以及引导路径部分,其引导 凸台到旋转滑动接触部分,并且引导路径部分形成为具有小于凸台的最大直径的宽度。