发明名称 |
MOBILE CRANE WITH TELESCOPING OUTRIGGERS |
摘要 |
A mobile crane having an extensible boom which is swingable about both a vertical and horizontal axis and having telescoping outriggers that extend transversely of the main frame of the crane and which outriggers are also pivotally mounted about a vertical axis for swinging between stowed position along the main frame and an extending crane operative position. Power operated extension means are provided for telescopingly adjusting the outriggers and includes a reversible hydraulic motor for rotating a threaded shaft. The telescoping outrigger includes a hollow box in which a hollow beam is telescopingly mounted. |
申请公布号 |
AU7660581(A) |
申请公布日期 |
1982.05.13 |
申请号 |
AU19810076605 |
申请日期 |
1981.10.19 |
申请人 |
HARNISCHFEGER CORP. |
发明人 |
STEPHEN R. EPPS;NARAHARI GATTU |
分类号 |
B60S9/08;B60P3/28;B66C23/78;B66C23/80 |
主分类号 |
B60S9/08 |
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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