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    Safety switch for overhead conveyor track
    2.
    发明授权
    Safety switch for overhead conveyor track 失效
    架空输送机轨道安全开关

    公开(公告)号：US06619468B1

    公开(公告)日：2003-09-16

    申请号：US10241056

    申请日：2002-09-11

    申请人： Jeffrey S. Baneck ,  Brian R. Krause

    发明人： Jeffrey S. Baneck ,  Brian R. Krause

    IPC分类号： B65G2900

    CPC分类号： B65G47/61 ,  B65G47/8823 ,  B65G2205/04

    摘要： An overhead conveyor track system for a wheeled carrier having at least one wheel adapted for traveling along a track and a depending load bracket. The system includes first and second elongated conveyor tracks having respective free ends. These tracks are adapted and arranged such that the same are in substantial longitudinal alignment with the free ends thereof in spaced relationship presenting a gap therebetween. The system further includes an elongated track segment that is adapted and arranged so as to be placed in the gap in a gap closed position in substantial longitudinal alignment with the tracks. The track segment normally is in the gap in its gap closed position but is removable from the gap so as to provide the system with a gap open condition. An automatic safety switch mechanism is provided. This switch includes at least one moveable track blocking element that is operably coupled with the segment when the latter is in its gap closed position, and the same is effective when the segment is removed from the gap and the system is therefore in its gap open condition, to block at least one of the free ends of the tracks to prevent movement of a carrier toward the gap. Ideally, the automatic safety switch mechanism may include two moveable track blocking elements whereby both of the free ends are blocked when the system is in its gap open condition.

    摘要翻译： 一种用于轮式载体的架空输送机履带系统，其具有适于沿着履带和悬挂载荷托架行驶的至少一个轮。 该系统包括具有相应自由端的第一和第二细长输送轨道。 这些轨道被适配和布置成使得它们以间隔开的关系与其自由端基本上纵向对准，在它们之间形成间隙。 该系统还包括细长的轨道段，其被适配和布置成以与轨道基本上纵向对准的间隙关闭位置放置在间隙中。 轨道段通常处于其间隙关闭位置的间隙中，但是可从间隙移除，以便为系统提供间隙打开状态。 提供一种自动安全开关机构。 该开关包括至少一个可移动的轨道阻挡元件，当可动轨道阻挡元件处于其间隙闭合位置时，该阻挡元件可操作地与该段相连接，并且当该段从该间隙移除并且该系统处于其间隙打开状态 以阻挡轨道的至少一个自由端，以防止载体向间隙移动。 理想地，自动安全开关机构可以包括两个可移动的轨道阻挡元件，由此当系统处于其间隙打开状态时两个自由端被阻挡。