发明名称 Rail barricade
摘要 A rail barricade includes a bottom rail and a U-shaped body frame having a top rail and a pair of vertical rails. A plurality of vertical spokes are located between the vertical rails. The bottom rail further includes an opposing pair of curved ends each having a projection that is received in a notch in one of the vertical rails. The connection is then welded. A foot is pivotally attached to each of the vertical rails. Hooks are attached to one of the vertical rails for attachment of a second rail barricade.
申请公布号 US2004206945(A1) 申请公布日期 2004.10.21
申请号 US20030624263 申请日期 2003.07.22
申请人 YORK JOHN S.;HOCKEMEYER TIMOTHY J. 发明人 YORK JOHN S.;HOCKEMEYER TIMOTHY J.
分类号 E01F13/02;(IPC1-7):E04H17/16 主分类号 E01F13/02
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