发明名称 |
GRUA MOVIL QUE TIENE VIGAS ESTABILIZADORAS TELESCOPICAS Y MEDIOS DE HUSILLO ACCIONADOS MECANICAMENTE PARA LAS MISMAS |
摘要 |
<p>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.</p> |
申请公布号 |
ES506647(D0) |
申请公布日期 |
1983.02.01 |
申请号 |
ES19470005066 |
申请日期 |
1981.10.28 |
申请人 |
HARNISCHFEGER CORPORATION |
发明人 |
|
分类号 |
B60S9/08;B60P3/28;B66C23/78;B66C23/80;(IPC1-7):66C23/36 |
主分类号 |
B60S9/08 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|