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    • 13. 发明授权
    • Sheet feeding apparatus
    • 送纸装置
    • US06331002B1
    • 2001-12-18
    • US09627451
    • 2000-07-27
    • Hiroshi YoshinoJun KatayanagiHaruyuki YanagiShinya SonodaYasuyuki Asai
    • Hiroshi YoshinoJun KatayanagiHaruyuki YanagiShinya SonodaYasuyuki Asai
    • B65H306
    • B65H3/5223B65H3/0661B65H2404/1112
    • The present invention provides a sheet feeding apparatus for separating and feeding sheets one by one, which has sheet stacking device for supporting sheets, a sheet feeding roller, provided at its periphery with a cylindrical surface and a cut-out portion, for feeding out the sheet stacked on the sheet stacking device by means of the cylindrical surface by rotating, separation device, capable of abutting against the sheet feeding roller, for separating the sheets one by one between the cylindrical surface of the sheet feeding roller and the separation device, spacing device for spacing apart the sheet feeding roller and the separation device when the cut-out portion of the sheet feeding roller is opposed to the separation device, biasing device for biasing the separation device to urge it against the sheet feeding roller or the spacing device, and conveying load reducing device for reducing a conveying load acting on the sheet being fed, by making an abutment force for pinching the sheet between the spacing device and the separation device smaller than an abutment force for pinching the sheet between the cylindrical surface and the separation device.
    • 本发明提供一种用于一张一张地分离和供给片材的片材进给装置,该片材进给装置具有用于支撑片材的片材堆叠装置,在其周边设置有圆柱形表面和切口部分的片材进给辊, 通过旋转分离装置,通过旋转的分离装置将纸张堆叠装置堆叠在片材堆叠装置上,该装置能够抵靠供纸辊,用于在片材进给辊的圆柱形表面和分离装置之间逐个分离片材,间隔 当片材进给辊的切口部分与分离装置相对时间隔开供纸辊和分离装置的装置,用于偏压分离装置以将其推压到供纸辊或间隔装置的偏置装置, 以及输送减载装置,用于通过形成用于夹紧sh的邻接力来减小作用在被供给的片材上的输送负荷 间隔装置和分离装置之间的距离小于用于将片材夹在圆柱形表面和分离装置之间的邻接力。
    • 18. 发明授权
    • Feeding device and image forming apparatus having the same
    • 送料装置及其成像装置
    • US08636278B2
    • 2014-01-28
    • US12946218
    • 2010-11-15
    • Yuki EmotoYasuyuki Asai
    • Yuki EmotoYasuyuki Asai
    • B65H3/52
    • B65H3/0684B65H3/56B65H2402/543B65H2405/1136B65H2511/212B65H2515/30B65H2220/02B65H2220/08B65H2220/11B65H2220/01
    • The feeding device includes a storage unit, a feeding roller which rotates while contacting the uppermost sheet stored in the storage unit to move the uppermost sheet forward, a separation plate disposed forward in the movement direction of the uppermost sheet and provided with an inclined surface inclined with respect to the movement direction, and a separation auxiliary member is disposed along the inclined surface of the separation plate and operated by a force received when the uppermost sheet comes in contact. The separation auxiliary member includes a rotation shaft parallel with the inclined surface, and a first resistance part rotating about the rotation shaft as the center from an initial position projecting from the inclined surface to an embedded position embedded in the inclined surface as a friction coefficient of the first resistance part is higher than that of the inclined surface and the received force is increased.
    • 所述进给装置包括存储单元,所述进给辊在与所述存储单元中存储的最上面的纸张接触的同时旋转,以将最上面的纸张向前移动;分隔板,其在最上面的纸张的移动方向上向前设置, 并且分离辅助构件沿着分离板的倾斜表面设置并且通过当最上面的片材接触时接收的力而操作。 分离辅助构件包括与倾斜表面平行的旋转轴,以及第一电阻部分,其以从倾斜表面突出到初始位置的旋转轴为中心旋转到嵌入在倾斜表面中的嵌入位置,摩擦系数为 第一电阻部分高于倾斜表面,并且接收力增加。