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热词
    • 9. 发明公开
    • Ink jet recording apparatus and recovering mechanism thereof
    • Tintenstrahlaufzeichnungsgerätmit Regeneriermechanismus。
    • EP0499484A2
    • 1992-08-19
    • EP92301238.9
    • 1992-02-14
    • CANON KABUSHIKI KAISHA
    • Uchida, Haruo, c/o Canon Kabushiki Kaisha
    • B41J2/165
    • B41J2/16523B41J2/17596
    • An ejection recovering unit includes tube pumps which generate pressure for performing ink enforced discharge of ink jet heads by sequentially deforming flexible tubes (503) under pressure. Pressing rollers (505) are spring biased toward a direction of preliminary,pressurizing a spring for sequentially pressure deformation of tubes. This suppresses an increase in drive torque due to dispersion of accuracy of tubes (503), pressing rollers (505) and mounting parts thereof. A guide (506C) is provided to place the corresponding roller (505) in a state corresponding to a pressurizing state before the guide presses the corresponding tube (503). This prevents any change in torque due to sudden production of the pressurizing state.
    • 喷射恢复单元包括管泵,其通过在压力下顺序变形柔性管(503)而产生用于执行喷墨头的强制喷墨的压力。 压辊(505)朝向预备的方向弹簧偏压,对弹簧加压,以使管子依次压力变形。 这抑制了由于管(503),压辊(505)及其安装部分的精度分散导致的驱动转矩的增加。 提供引导件(506C)以在引导件按压对应的管(503)之前将相应的辊(505)放置在与加压状态相对应的状态。 这防止由于加压状态的突然产生而导致的扭矩的任何变化。