发明名称 |
RORHANTERINGSANORDNING MED FASTSPENNINGSANORDNING FOR RENNA |
摘要 |
Clamps are provided for clamping a length of pipe to the trough of a pipe handling apparatus. The clamps comprise two arms pivotally coupled to the trough on opposite sides thereof. The arms are movable to open and closed positions by two piston rods pivotally coupled to the arms and which are actuated by two cylinders pivotally coupled to the trough on opposite sides. |
申请公布号 |
SE8203331(L) |
申请公布日期 |
1982.05.28 |
申请号 |
SE19820003331 |
申请日期 |
1982.05.28 |
申请人 |
INGRAM CORP |
发明人 |
FRIAS R;MINNIS C W;HAWKINS H A;DAVIS W |
分类号 |
E21B19/20;E21B19/15;(IPC1-7):E21B19/14 |
主分类号 |
E21B19/20 |
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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