Apparatus and method for twisting hollow rods
    1.
    发明授权
    Apparatus and method for twisting hollow rods 失效
    扭转空心杆的装置和方法

    公开(公告)号:US5771726A

    公开(公告)日:1998-06-30

    申请号:US704845

    申请日:1996-08-28

    IPC分类号: B21D11/14

    CPC分类号: B21D11/14 Y10T29/49911

    摘要: Apparatus and methods for uniformly twisting hollow, open-seam rods with preferably rectangular cross-sections for use as decorative curtain rods are disclosed. The twist extends throughout substantially the entire length of the rod. This feature enables a telescoped pair of rods, that is, a pair of rods with an inner rod dimensioned to slide into and out of an outer rod, to be twisted simultaneously such that the telescoping feature is maintained after twisting. The apparatus includes a rotatable first chuck and a substantially non-rotatable second chuck. Each chuck has male and female components to engage the inner and outer surfaces of a respective end of the rod. These components prevent buckling along the open seam and permit twisting throughout substantially the entire length of the rods. Sensor controls ensure uniform twisting and controlled unwinding of the rods. The controls are programmable to vary the amount of twist performed on each rod, and the apparatus is adjustable to accommodate rods of different lengths. In addition, rods with other cross-sections can be twisted.

    摘要翻译: 公开了用于均匀地扭转用作装饰窗帘杆的具有优选矩形横截面的中空的开缝杆的装置和方法。 扭转在棒的整个整个长度上延伸。 该特征使得可伸缩的杆对,即具有内杆的一对杆,其具有能够滑入和移出外杆的内杆,以同时扭转,使得在扭转之后保持伸缩特征。 该装置包括可旋转的第一卡盘和基本不可旋转的第二卡盘。 每个卡盘具有阳和阴部件以接合杆的相应端部的内表面和外表面。 这些部件可以防止沿着开口的接缝弯曲,并允许在整个棒的整个长度上扭转。 传感器控制确保棒的均匀扭转和控制展开。 控制器是可编程的,以改变在每个杆上执行的扭转量,并且该装置可调节以适应不同长度的杆。 此外,具有其他横截面的杆可以扭曲。