发明名称 COLLAPSIBLE LADDER ASSEMBLY
摘要 A collapsible ladder assembly having a ladder for use alternatively by itself or in combination with a carrying case in which said ladder is formed from a plurality of swingably interconnected scissored sections movable between a collapsed position in which they overlap each other and a fully extended position in which they are in a generally end to end relationship. The case is movable between a closed position for housing the collapsed ladder and an open position in which it can be connected to the fully extended ladder for supporting it in a generally upright position or disposed over the partially extended ladder to form an elevated platform therewith.
申请公布号 US3695389(A) 申请公布日期 1972.10.03
申请号 USD3695389 申请日期 1971.05.28
申请人 FORESTAL ENTERPRISES 发明人 ROBERT J. FORESTAL;JACK W. HANLEY
分类号 E06C1/54;(IPC1-7):E06C1/38 主分类号 E06C1/54
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