| 发明名称 |
Rotation hook |
| 摘要 |
A device for lifting and rotating objects is disclosed. The device includes a plurality of hooking protrusions that are in angled relation with each other and contain compound bends to permit engagement with the support structure of the object to be lifted.
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| 申请公布号 |
US2004189032(A1) |
申请公布日期 |
2004.09.30 |
| 申请号 |
US20030402902 |
申请日期 |
2003.03.26 |
| 申请人 |
UNITED STATES PIPE AND FOUNDRY COMPANY |
发明人 |
WALLACE BRIAN E.;MAISE JAMES W. |
| 分类号 |
B66C1/22;(IPC1-7):B66C1/22 |
主分类号 |
B66C1/22 |
| 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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