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    Stitching machine head and wire cassette therefor
    1.
    发明授权
    Stitching machine head and wire cassette therefor 失效
    缝纫机头和线盒

    公开(公告)号：US5788139A

    公开(公告)日：1998-08-04

    申请号：US628946

    申请日：1996-04-08

    申请人： Larry A. Sikora

    发明人： Larry A. Sikora

    IPC分类号： B27F7/28 ,  B27F7/23

    CPC分类号： B27F7/28

    摘要： A supply wire cassette is removably mounted on the face plate of a wire stitching machine head. The cassette carries a rotatable reel of wire from which wire is unreeled over a flexible, resilient brake lever through a check pawl and a guide tube, which guides the unreeled wire along an arcuate, wire-straightening path to an outlet at a cutter on the head. A wire holder is removably mounted on the cassette housing and holds the free end thereof in position at the outlet until the cassette is mounted on the face plate to ensure that the wire passes through the feed mechanism of the head. Actuation of the feed mechanism withdraws wire from the cassette, pivoting the brake lever to unbrake the supply reel. When a predetermined length of unreeled wire accumulates in the cassette housing, the brake lever is biased back into braking engagement with the reel. A sensor including a switch removably mounted in the cassette housing indicates when the supply reel is nearly empty.

    摘要翻译： 电源线盒可移除地安装在电线缝纫机头的面板上。 磁带盒带有可旋转的电线卷盘，电线通过检查棘爪和引导管在柔性弹性制动杠杆上被拉出，该检查棘爪和引导管将未拉出的导线沿着弧形的线矫直路径引导到刀具上的出口 头。 电线架可移除地安装在磁带盒外壳上，并将其自由端保持在出口处的适当位置，直到磁带盒安装在面板上，以确保电线通过磁头的进给机构。 进给机构的致动将磁带从磁带中取出，使制动杆枢转以使制动卷轴不固定。 当预定长度的未焊丝累积在盒壳体中时，制动杆被偏压回到与卷轴制动接合。 包括可移除地安装在盒壳体中的开关的传感器指示供应卷轴何时几乎为空。