发明名称 |
Alignment assembly, drilling systems, and methods |
摘要 |
An alignment assembly includes a shaft, a first gripper coupled to the shaft, and a second gripper coupled to the shaft. The first gripper includes a fixed gripper body and a first rotating gripper body rotatingly coupled to the fixed gripper body. The second gripper may include a second rotating gripper body and a third rotating gripper body. An axis pivot rotatingly couples the second rotating gripper body and the third rotating gripper body. |
申请公布号 |
AU2011238800(A1) |
申请公布日期 |
2012.09.20 |
申请号 |
AU20110238800 |
申请日期 |
2011.03.18 |
申请人 |
LONGYEAR TM, INC. |
发明人 |
WREDE, STEFAN;UPMEIER, THORSTEN;KRUSE, CHRISTOF |
分类号 |
E21B19/06;E21B15/02;E21B19/08;E21B19/22 |
主分类号 |
E21B19/06 |
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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