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    • 65. 发明授权
    • Feed dog device for a sewing machine
    • 缝纫机喂狗装置
    • US08402903B2
    • 2013-03-26
    • US13014888
    • 2011-01-27
    • Shui-Chun TsengHsueh-Hua LiuHuan-Chi Hsu
    • Shui-Chun TsengHsueh-Hua LiuHuan-Chi Hsu
    • D05B27/00
    • D05B27/02D05B27/24
    • A feed dog device for a sewing machine includes a feed dog mount mounted under a needle plate and having a feed dog mounted thereon to permit the feed dog to extend through slots in the needle plate. The feed dog mount is coupled with a lever through a force transmitting unit to couple an increased torque generated by a pivotal movement of the lever to the feed dog mount so as to enable a weight end of the lever to drive the feed dog mount to move reciprocatingly in a transverse direction perpendicular to a normal feeding direction of a fabric. The lever is actuated by a cam follower with a torque generated as a result of transmission through a rotary cam member which is rotated with an output shaft of the drive member. Since the feed dog can be reciprocatingly moved in the transverse direction, the sewing machine can perform a variety of sewing operations.
    • 用于缝纫机的送料装置包括安装在针板下方并具有安装在其上的进给爪的进给爪安装架,以允许进给爪延伸穿过针板中的狭槽。 喂料爪安装件通过力传递单元与杠杆连接,以将由杠杆的枢转运动产生的增加的扭矩耦合到进给爪安装件,以使杠杆的重量端能够驱动进给爪安装件移动 在与织物的正常进给方向垂直的横向方向上往复运动。 杠杆由具有由与驱动构件的输出轴一起旋转的旋转凸轮构件传递的结果而产生的扭矩的凸轮从动件致动。 由于进给犬可以在横向方向上往复移动,缝纫机可以进行各种缝制操作。
    • 66. 发明授权
    • Sewing machine
    • 缝纫机
    • US07983780B2
    • 2011-07-19
    • US11716611
    • 2007-03-12
    • Hirokazu Hirose
    • Hirokazu Hirose
    • G06F7/66
    • D05B27/24D05B65/02D05B69/22
    • A sewing machine including an input unit that inputs a thread cut instruction; a thread cutting mechanism that cuts a needle thread and a bobbin thread based on the thread cut instruction; a feed dog vertically moving mechanism that vertically drives a feed dog for feeding a workpiece cloth; a feed dog activating switch unit that switches the feed dog between an active state in which the feed dog is vertically driven by the feed dog vertically moving mechanism and an inactive state in which an upper surface of the feed dog is positioned in a lowered position below an upper surface of a needle plate provided in a sewing machine bed; and a control unit that drives the thread cutting mechanism based on the thread cut instruction inputted from the input unit and that controls the feed dog activating switch unit to switch the feed dog to the inactive state in which the feed dog is positioned in the lowered position.
    • 一种缝纫机,包括输入切割指令的输入单元; 螺纹切削机构,其基于所述螺纹切削指令切断针线和底线; 喂料爪垂直移动机构,用于垂直地驱动喂料爪供给工件布料; 馈送狗启动开关单元,其将馈送狗切换到馈送狗由馈线狗垂直移动机构垂直驱动的激活状态和馈送狗的上表面位于低于位置的无效状态 设置在缝纫机床上的针板的上表面; 以及控制单元,其基于从所述输入单元输入的所述切线指令来驱动所述切线机构,并且控制所述进给针启动切换单元将所述进给针切换到所述进给爪位于所述下降位置的非活动状态 。
    • 68. 发明授权
    • Zigzag sewing machine
    • 曲折缝纫机
    • US06499415B1
    • 2002-12-31
    • US09565876
    • 2000-05-05
    • Matthew M. GrantDuane W. Crisp
    • Matthew M. GrantDuane W. Crisp
    • D05B302
    • D05B27/06D05B3/02D05B27/24D05B29/02D05B55/00D05B57/14D05B57/30D05B73/12
    • A new and improved portable zigzag straight stitch walking foot sewing machine comprising a longer needle stroke, a larger presser foot having a radiused bottom, a throat plate having a larger opening therein, an inner presser foot having a relatively high lift permitting the easy insertion or removal of fabric which a new and improved spring loaded connecting rod that operates to prevent the fabric from being drawn into the presser foot opening and feed mechanism. In a specific embodiment, the new and improved portable zigzag straight stitch walking foot sewing machine includes a new and improved throw mechanism which is not biased and a retro fix stop device for reproducibly controlling the stitch length.
    • 一种新型改进的便携式锯齿直线步行脚缝纫机,其包括较长的针冲程,具有圆角底部的较大压脚,其中具有较大开口的喉板,具有相对较高升力的内压脚允许容易插入或 去除织物,其中新的和改进的弹簧加载连杆操作以防止织物被拉入压脚开启和进给机构。 在具体实施例中,新型改进的便携式锯齿直线步行脚缝纫机包括不偏压的新的改进的抛掷机构和用于可重复地控制针迹长度的复古固定止动装置。