| 摘要 |
<p>A tool for installing or removing a threaded member as for example a thread protector onto a second threaded member, as for example, the pin or box of an oilfield tubular, which has a jaw for selectively gripping an outer surface of a thread protector, a bridge interconnecting the jaw and a cam, the cam being selectively engageable with the inner surface of the thread protector, the cam being operatively connected to a lever for moving the cam from a first position out of contact with the inner surface of the thread protector to a second position in gripping engagement with the inner surface of the thread protector.</p> |
