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
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