发明名称 |
Hoisting Crane |
摘要 |
A hoisting crane having a substantially hollow vertical column with a body disposed between a foot and a top. A jib connected to the substantially hollow vertical column an annular bearing structure, extending around the substantial hollow vertical column guiding and carrying a jib connection member and rotatable about the substantially hollow vertical column. The jib connection member forms a substantially horizontal pivot axis the jib to pivot from the foot towards the top and from the top towards the foot.
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申请公布号 |
US2007084814(A1) |
申请公布日期 |
2007.04.19 |
申请号 |
US20060612232 |
申请日期 |
2006.12.18 |
申请人 |
ROODENBURG JOOP;WIJNING DIEDERICK B |
发明人 |
ROODENBURG JOOP;WIJNING DIEDERICK B. |
分类号 |
B66C23/00;B63B35/04;B66C13/06;B66C23/52;B66C23/84;B66D1/28;F16L1/225 |
主分类号 |
B66C23/00 |
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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