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    FOLDING GUARD RAIL METHOD AND APPARATUS
    1.
    发明申请
    FOLDING GUARD RAIL METHOD AND APPARATUS 审中-公开
    折叠保护轨道方法和装置

    公开(公告)号：US20150023774A1

    公开(公告)日：2015-01-22

    申请号：US13943946

    申请日：2013-07-17

    申请人： John Seto ,  Ronnie J. Jones

    发明人： John Seto ,  Ronnie J. Jones

    IPC分类号： E04H17/14 ,  B25J1/00

    CPC分类号： E04G21/3228

    摘要： The present invention is for a safety guard rail system having folding guard rails designed to be raised or lowered at their base by a single individual from an acceptable safe distance from the edge of a precipice, such as the edge of a building roof. A sliding sleeve hinge lock locks each folding rail in an erect position and can be remotely unlocked for folding the rail. An elongated grappling tool has a hook-like end for grabbing the sliding sleeve hinge lock handle for locking and unlocking the hinge lock from a distance when erecting or folding a guard rail.

    摘要翻译： 本发明涉及一种安全护栏轨道系统，其具有折叠护栏，其设计成由距离诸如建筑物屋顶的边缘的悬崖的边缘可接受的安全距离由单个人在其基座处升高或降低。 滑动套筒铰链锁定每个折叠导轨处于直立位置，并且可以远程解锁以折叠导轨。 细长的抓钩工具具有钩状端部，用于抓住滑动套筒铰链锁定手柄，用于在竖立或折叠护栏时将铰链锁定和解锁一段距离。

    Folding guard rail method and apparatus
    2.
    发明授权
    Folding guard rail method and apparatus 有权

    公开(公告)号：US09617747B2

    公开(公告)日：2017-04-11

    申请号：US13943946

    申请日：2013-07-17

    申请人： John Seto ,  Ronnie J. Jones

    发明人： John Seto ,  Ronnie J. Jones

    IPC分类号： E04G21/32

    CPC分类号： E04G21/3228

    摘要： The present invention is for a safety guard rail system having folding guard rails designed to be raised or lowered at their base by a single individual from an acceptable safe distance from the edge of a precipice, such as the edge of a building roof. A sliding sleeve hinge lock locks each folding rail in an erect position and can be remotely unlocked for folding the rail. An elongated grappling tool has a hook-like end for grabbing the sliding sleeve hinge lock handle for locking and unlocking the hinge lock from a distance when erecting or folding a guard rail.