发明名称 Ladder safety apparatus
摘要 A safety accessory for use with a ladder to slow the speed of an accidental fall of a worker, who works in an elevated position. The accessory has a C-shaped track member and a slide body that moves inside the track member. The worker's harness is secured to the slide body. Contact surfaces of the track member and the slide member are serrated to slow the speed of an accidental fall. A plurality of locking wedge members is positioned in the channel formed by the track member to further decrease the speed of an accidental fall.
申请公布号 US2010044151(A1) 申请公布日期 2010.02.25
申请号 US20080229379 申请日期 2008.08.22
申请人 M.A. CAMPESI FAMILY HOLDINGS, L.L.C. 发明人 VOLLENWEIDER EDGAR G.;CAMPESI MICHAEL
分类号 E06C7/18 主分类号 E06C7/18
代理机构 代理人
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