发明名称 |
Extension ladder roof support attachment |
摘要 |
An extension ladder roof support attachment for a ladder that has side rails is provided and consists of a pair of base arms extending from upper portions of said side rails, a pair of angular arms extending from upper portion of said side rails above said base arms and attached to outer ends of said base arms, a cross brace extending diagonally between said angular arms and a stabilizing member extending between said base arms which can sit upon a roof of a building. In a modification the base arms and angular arms are adjustable to various roofs and buildings.
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申请公布号 |
US4723632(A) |
申请公布日期 |
1988.02.09 |
申请号 |
US19860906522 |
申请日期 |
1986.09.12 |
申请人 |
GEDGOUDAS, LEO C. E.;SPECTOR, GEORGE |
发明人 |
GEDGOUDAS, LEO C. E.;SPECTOR, GEORGE |
分类号 |
E06C7/48;(IPC1-7):E06C7/48 |
主分类号 |
E06C7/48 |
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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