发明名称 LADDER STABILIZATION SUPPORT
摘要 A supporting apparatus for a ladder is provided, comprised of two steel bars , held parallel and affixed apart by a cross member at one end with the other end of each ba r having a series of nails protruding downward to anchor the apparatus quickly and securely to a rooftop. Each bar has an upwardly-projecting portion with a loop attached thereto, to which crampons affixed to adjustable cords will be connected. Each cord is attache d at its other end to a steel bar, with a pivoting crampons affixed to each end of such bar . The crampons are locked around a rung upon a ladder, providing a stable support for the ladder whether it abuts the rooftop or the apparatus.
申请公布号 CA2473665(A1) 申请公布日期 2006.02.11
申请号 CA20042473665 申请日期 2004.08.11
申请人 LE GRAS, CHRISTOPHER;JACQUES, BRIAN 发明人 LE GRAS, CHRISTOPHER;JACQUES, BRIAN
分类号 E06C7/48;E06C7/06;E06C7/18 主分类号 E06C7/48
代理机构 代理人
主权项
地址