| 发明名称 |
Roof curb installation tool |
| 摘要 |
A roof curb installation tool has a pair of sliding hinged hooks for lifting the edge of a metal roof panel, and a pair of clamping tangs which can be secured to a vertical roof seam while a curb is being installed at a hole in the roof.
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| 申请公布号 |
US6434813(B1) |
申请公布日期 |
2002.08.20 |
| 申请号 |
US20010835568 |
申请日期 |
2001.04.17 |
| 申请人 |
BUTLER MANUFACTURING COMPANY |
发明人 |
GRABMEIER RICHARD JAMES |
| 分类号 |
E04D13/03;E04D15/00;(IPC1-7):B23Q7/00 |
主分类号 |
E04D13/03 |
| 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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