发明名称 Temporary safety rail supports
摘要 A temporary safety rail support. The support includes an elongate support member having a shoe plate welded to its lower end. A pair of open-ended boxes is mounted on the support member. The boxes are adapted to receive the ends of temporary guard-rails. Embodiments of the invention permit the boxes to be pivoted relative to the vertical axis or angularly positioned relative to the horizontal axis.
申请公布号 US2006249721(A1) 申请公布日期 2006.11.09
申请号 US20050124204 申请日期 2005.05.09
申请人 LANDAKER GREG;LANDAKER SHELBIE J 发明人 LANDAKER GREG;LANDAKER SHELBIE J.
分类号 E04H17/14 主分类号 E04H17/14
代理机构 代理人
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