发明名称 |
Piling and drilling rig with foldable deflection apparatus |
摘要 |
The present invention relates to a piling and drilling rig having a leader, a deflection apparatus for the deflection a rope which is pivotally connected to the head of the leader in a manner pivotable between at least one transport position and at least one working position, with the deflection apparatus being rotatable about an axis standing obliquely on the axis of extent of the leader. |
申请公布号 |
US8408329(B2) |
申请公布日期 |
2013.04.02 |
申请号 |
US20100816778 |
申请日期 |
2010.06.16 |
申请人 |
KOERTGE STEPHAN;KOLLER ALFRED;LIEBHERR-WERK NENZING GMBH |
发明人 |
KOERTGE STEPHAN;KOLLER ALFRED |
分类号 |
E21B7/02;B66C23/26;E02D11/00 |
主分类号 |
E21B7/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|