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    Bobbin system for use with a sewing machine
    28.
    发明授权
    Bobbin system for use with a sewing machine 有权
    用于缝纫机的线轴系统

    公开(公告)号：US07503270B2

    公开(公告)日：2009-03-17

    申请号：US11591812

    申请日：2006-11-02

    申请人： Joseph P. Wieczorek

    发明人： Joseph P. Wieczorek

    IPC分类号： D05B59/00 ,  D05B63/00

    CPC分类号： D05B57/00 ,  D05C11/18

    摘要： A bobbin system for use with a sewing machine is disclosed. The system includes a bobbin and a thread wound around the bobbin. The system also includes an anti-unwinding member arranged around the thread to ensure that the thread does not dislodge and unwind off of the bobbin thus reducing or eliminating entanglements and jamming of the moving parts of the sewing machine.

    摘要翻译： 公开了一种与缝纫机一起使用的筒管系统。 该系统包括绕线筒和缠绕在线轴上的线。 该系统还包括布置在线周围的防解开构件，以确保线不会脱离线轴，从而减少或消除缝纫机的运动部件的缠结和堵塞。

    Sewing machine with means for synchronizing drive of needle and loop taker motors
    29.
    发明授权
    Sewing machine with means for synchronizing drive of needle and loop taker motors 失效
    缝纫机具有用于同步驱动针和回路电机的装置

    公开(公告)号：US5791274A

    公开(公告)日：1998-08-11

    申请号：US752321

    申请日：1996-11-19

    申请人： Kohichi Akahane ,  Takashi Kondo ,  Masaki Shimizu ,  Yoshikazu Kurono ,  Fumiaki Asano

    发明人： Kohichi Akahane ,  Takashi Kondo ,  Masaki Shimizu ,  Yoshikazu Kurono ,  Fumiaki Asano

    IPC分类号： D05B19/12 ,  D05B55/14 ,  D05B57/14 ,  D05B57/30 ,  D05B57/38 ,  D05B59/02 ,  D05B65/00 ,  D05B69/18 ,  D05B69/20 ,  D05C3/02 ,  D05C11/06 ,  D05C11/18 ,  D05B57/36 ,  D05B21/00

    CPC分类号： D05B69/20 ,  D05B19/12 ,  D05B55/14 ,  D05B57/30 ,  D05B59/02 ,  D05C11/06 ,  D05C11/18 ,  D05C3/02 ,  D05B65/00 ,  D05D2205/18

    摘要： A sewing machine including a head portion including a needle bar, the needle bar being for mounting a needle threaded with a needle thread; a principal shaft; a sewing machine motor for driving the needle bar via the principal shaft; a bed portion including a loop taker for taking a thread loop of the needle thread in cooperative operation with the needle; a loop taker drive shaft connected to move in association with the loop taker; a loop taker drive unit including a loop taker drive motor for driving the loop taker drive shaft independently of the principal shaft; a synchronization control unit for controlling at least one of the loop taker drive motor and the sewing machine drive motor so that the loop taker and the principal shaft rotate in synchronization; and an offset adjustment unit provided to the synchronization control unit and for adjusting an amount that the phase of the loop taker is offset from a reference phase offset amount preset for the loop taker with respect to the principal shaft.

    摘要翻译： 一种缝纫机，包括：头部，其包括针杆，所述针杆用于安装带有针线的针; 主轴; 用于经由主轴驱动针杆的缝纫机马达; 床部分，包括用于与所述针头协同操作的所述针线的线环的环形接收器; 环路接收器驱动轴连接以与环路接收器相关联地移动; 环路接收器驱动单元，包括用于独立于主轴驱动环路接收机驱动轴的环路接收机驱动电机; 同步控制单元，用于控制环路接收器驱动电动机和缝纫机驱动电动机中的至少一个，使得回路接收器和主轴同步旋转; 以及偏移调整单元，其被提供给所述同步控制单元并且用于调节所述接收器的相位相对于所述回路接收器相对于所述主轴预设的参考相位偏移量偏移的量。