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    Thread cutter and drive unit for a chain stitch sewing machine
    1.
    发明授权
    Thread cutter and drive unit for a chain stitch sewing machine 失效
    链式缝纫机的螺纹切割机和驱动装置

    公开(公告)号：US5664511A

    公开(公告)日：1997-09-09

    申请号：US614668

    申请日：1996-03-13

    申请人： Ikuo Tajima ,  Satoru Suzuki ,  Yoichi Mizuguchi

    发明人： Ikuo Tajima ,  Satoru Suzuki ,  Yoichi Mizuguchi

    IPC分类号： D05B29/02 ,  D05B55/16 ,  D05B65/00 ,  D05B73/12 ,  D05C11/06 ,  D05C11/18 ,  D05C11/20

    CPC分类号： D05C11/20 ,  D05B65/00 ,  D05C11/06 ,  D05B73/12 ,  D05C11/18

    摘要： A thread cutter for a chain stitch sewing machine which performs chain stitch sewing by cooperation of a needle driven up and down and a looper arranged under a needle plate, including: a movable knife arranged so that it can advance into or retract from a gap between a top surface of the looper and an under surface of the needle plate; a knife driving mechanism for advancing and retracting the movable knife; a stationary knife arranged under the needle plate for cutting a sewing thread in cooperation with the movable knife when the movable knife is retracted; and a thread holding plate for holding a cut end of the sewing thread on the side of the looper in a predetermined position by a further retracting operation of the movable knife after the sewing thread is cut and a drive unit for a multi-sewing machine.

    摘要翻译： 一种用于链式缝纫机的线切割机，其通过上下驱动的针和配置在针板下方的弯针进行连锁缝合，其特征在于，包括：可动刀，其可以前进到后退， 针板的上表面和针板的下表面; 用于推动和缩回活动刀的刀驱动机构; 当可动刀缩回时，设置在针板下方的用于与可动刀协作切割缝纫线的固定刀; 以及线夹持板，用于通过缝纫线切割后的可动刀的进一步缩回操作和用于多缝纫机的驱动单元，将缝合线的切割端保持在预定位置的一侧。