发明名称 Roofers safety brace
摘要 A roofer's safety brace unit consisting of a pair of main frame track components, an extension arm, a pivotably attached support arm equipped with a rubberized foot pad at one end thereof and a running wheel at the other end thereof placeable upon a roof by virtue of the function of a plurality of chair shaped lateral support units equipped with rubberized foot pads such as are attached to plank holding brackets affixable to the main frame track components or extension arm, and, one of which brackets is further equipped with a pivotable plank bar such that when a duplicate pair of such safety brace units is utilized by a roofer, planking suitable to safely supporting the weight of a roofer working on a roof is readily and dependably held fast in place.
申请公布号 US6003629(A) 申请公布日期 1999.12.21
申请号 US19980217298 申请日期 1998.12.21
申请人 CLOUTIER, ROBERT J.;SYNDER, CHARLES M.;CLOUTIER, JR., NORMAN J. 发明人 CLOUTIER, ROBERT J.;SYNDER, CHARLES M.;CLOUTIER, JR., NORMAN J.
分类号 E04G3/26;E04G3/28;E04G21/32;(IPC1-7):E06C7/48 主分类号 E04G3/26
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