发明名称 Truss style trolley beam for a fall protection system
摘要 A fall protection system has at least two widely spaced apart support members which support a rail assembly above a work area. The rail assembly includes a beam and a truss member. The beam has a generally vertical web and at least a lower generally horizontal flange. A trolley is adapted to slide or move across the flange. The truss member is mounted to a top of the beam and extends the length of the beam.
申请公布号 US6269904(B1) 申请公布日期 2001.08.07
申请号 US19980031634 申请日期 1998.02.27
申请人 FPS INVESTMENTS, LLC 发明人 MORHAUS DANIEL W.
分类号 A62B35/04;(IPC1-7):E04G1/00 主分类号 A62B35/04
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