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    Roadway safety trap
    31.
    发明授权
    Roadway safety trap 失效
    道路安全带

    公开(公告)号：US3838391A

    公开(公告)日：1974-09-24

    申请号：US34415273

    申请日：1973-03-23

    申请人： MINTZ L

    发明人： MINTZ L

    IPC分类号： E01F13/10 ,  E01F13/12 ,  G08G1/02

    CPC分类号： G08G1/02 ,  E01F13/105 ,  E01F13/126

    摘要： A travel-resisting device mounted in an exit ramp of a throughway, expressway or other road, and which is designed to prevent automobiles to enter and move in wrong direction lanes; the device consisting of two or three separate units each of which includes a downwardly tiltable platform so that when rode across in a wrong direction will cause the dropped wheels to abut hard against a fixed ledge so to resist and hold back further forward travel, the device also activating signal devices such as lights or bells to alert and warn other motorists and alert the careless drivers, and a last of the units having a toothed or sharp knife-like edge on the ledge so to puncture the tires as a final step to stop the vehicle and prevent a serious accident on the high speed right-of-way.

    摘要翻译： 安装在通道，高速公路或其他道路的出口坡道中的防行驶装置，其设计成防止汽车进入并沿错误的方向行进; 该装置由两个或三个单独的单元组成，每个单元包括向下可倾斜的平台，使得当以错误的方向跨越时，将使落轮相对于固定的凸缘抵靠并阻止进一步向前行进，该装置 还激活诸如灯或铃的信号装置以警告和警告其他驾驶者并警告不小心的驾驶员，并且最后的单元在凸缘上具有齿形或锋利的刀状边缘，以便将轮胎刺穿作为停止的最后步骤 车辆并防止在高速行驶中发生严重事故。