Roof safety rail system
作者： Michael B. Budenbender , Matthew S. Small
DOI:
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摘要: The present relates generally to a roof safety rail for use on building fall prevention. In particular the inventions system outer perimeter of that provides an improved where permanent installation is accomplished without penetrating membrane or exterior roofing material covers anchoring points whereby eliminating possibility weather elements entering through fasteners.
lens.org 参考文章(19)
Theodore R. Palmer, Building guard rail scaffold assembly ,(1997)
Dale A. Sellner, Michael D. Jines, Railing for portable staging ,(1992)
Bert Franks, Adaptable safety rail system for flat roofs and parapets ,(1997)
Charles F. Wood, Scaffold guard post and lock ,(1991)
Steve Nichols, Safety railing system ,(2003)
John Letourneau, Rail stanchion for concrete slab walls ,(2000)
Daryl Watson, Support for safety barrier ,(2002)
Ronald A. Kempker, Kenneth R. Thomas, Roof perimeter cable guard system ,(2006)
William L. Sweeley, Roof safety bracket system ,(1999)
Steve M. Stawychny, Alfred C. Christoffer, Metal safety rail for open floors of a building under construction ,(2009)