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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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