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    • 11. 发明授权
    • Feeding mechanism of eyelet-end buttonhole sewing machine
    • 孔眼扣眼机的送料机构
    • US5743199A
    • 1998-04-28
    • US814914
    • 1997-03-12
    • Yoshiyuki OdakaTakeshi Yoshida
    • Yoshiyuki OdakaTakeshi Yoshida
    • D05B3/08
    • D05B3/08
    • A feeding mechanism of an eyelet-end buttonhole sewing machine comprising a bed shaft rotatably supported by a bed, a rapid feed shaft rotatably supported by the bed, a pattern wheel shaft being rotatably supported by the bed and driven by the rapid feed shaft, and a feed wheel being rotatably supported by the bed and driven by the pattern wheel shaft for giving rapid feed to a cloth to be sewn in a forward and backward direction, and also being rotatably driven by the bed shaft for giving rapid feed to the cloth to be sewn in a forward and backward direction involved in a sewing step, the feeding mechanism further comprising a rotary driving source being rotatably driven normally and reversely, a bed shaft rotary member being rotatably driven normally and reversely by the rotary driving source, a rapid feed rotary member being fixed to the rapid feed shaft and retained by the bed shaft rotary member so as to be reversely rotated therewith, a one way sewing clutch for transmitting only a normal rotation of the bed shaft rotary member to the bed shaft, and a one way rapid feed clutch for transmitting only a reverse rotation of the bed shaft rotary member to the pattern wheel shaft by way of the rapid feed rotary member and the rapid feed shaft.
    • 一种孔眼扣眼缝纫机的进给机构,包括由床旋转支撑的床轴,由床可旋转地支撑的快速进给轴,由床旋转支撑并由快速进给轴驱动的图案轮轴,以及 进给轮由床旋转支撑并由图案轮轴驱动,以便快速地进给到正向和反向缝合的布,并且还被床轴可旋转地驱动以便快速地进给到布 在缝合步骤中沿向前和向后方向缝合,所述进给机构还包括旋转驱动源,所述旋转驱动源正向和反向可旋转地驱动,床轴旋转构件通过所述旋转驱动源正向和反向地旋转驱动,快速进给 旋转构件固定在快速进给轴上并被床轴旋转构件保持以便与其反向旋转,单向缝合离合器仅用于传递 床轴旋转构件正常旋转到床轴,以及单向快速进给离合器,其仅通过快速进给旋转构件和快速进给将床床旋转构件的反向旋转传递到图案轮轴 轴。