Safety post assembly

作者: Duane Kostelecky

DOI:

关键词:

摘要: A safety post assembly includes a flat mounting plate adapted to rest on support surface, an upright fixed in upstanding relationship central portion of the plate, pair elongated narrow anchoring straps having inner portions positioned over peripheral edge and outer extending outwardly from so as overlie surface located adjacent plurality fasteners attach upon surface. The has holes defined therein along spaced one another. also have pluralities openings therein, some being another which matches between plate. are extend through aligned with then be threadable into

参考文章(3)
Ralph H Brueske, Portable, personnel guard rail ,(1974)
Paul L. Morris, Guardrail post assembly ,(1975)