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    • 8. 发明授权
    • Discharge mechanism of sheet material in image forming apparatus
    • 图像形成装置中的片材的放电机构
    • US06488279B1
    • 2002-12-03
    • US09711969
    • 2000-11-15
    • Izumi FukudaAkira Oyama
    • Izumi FukudaAkira Oyama
    • B65H2920
    • B65H29/14B65H2404/1114B65H2404/1115B65H2404/14B65H2801/06
    • The invention provides a discharge mechanism of a sheet which can quickly and securely discharge a sheet without deformation. A discharge mechanism is provided at an end of a transfer path and discharging the paper to a tray is constituted by a pair of discharge rollers and a profiling pusher integrally rotating with the discharge roller. A sponge-like body portion and a plurality of projections, integrally formed on a peripheral surface thereof, are formed in the profiling pusher. The protrusion is brought into contact with a surface of the sheet and deformed in a profiling manner so as to allow the sheet to pass therethrough. When the rear end of the sheet leaves the nip, the deformation of the projection is restored and engaged with the rear end of the sheet, thereby forcibly pushing out the sheet.
    • 本发明提供一种片材的排出机构,其可以快速且可靠地排出片材而不变形。 排出机构设置在传送路径的端部,并且将纸张排出到托盘,该排出机构由一对排出辊和与排出辊整体旋转的轮廓推动器构成。 在轮廓推动器上形成海绵状主体部分和在其圆周表面上整体形成的多个突起。 突起与片材的表面接触并以成形方式变形,以允许片材通过。 当片材的后端离开辊隙时,突起的变形被恢复并与片材的后端接合,从而强制地推出片材。