发明名称 TRAVELING AND LOCKING CENTRALIZER
摘要 A drill system for use with a drill rod includes a support member, and a drill assembly movably associated with the support member and configured to be connected to the drill rod. The system further includes a centralizing device movably associated with the support member and configured to receive the drill rod. The centralizing device includes a movable jaw and a latch arm connected to the jaw and configured to move the jaw between an open position and a closed position for retaining the drill rod. Furthermore, the latch arm has a locking feature configured to hold the latch arm in a locked position to thereby hold the jaw in the closed position.
申请公布号 US2011297446(A1) 申请公布日期 2011.12.08
申请号 US20100793987 申请日期 2010.06.04
申请人 CONNELL STUART A.;BUCYRUS MINING EQUIPMENT 发明人 CONNELL STUART A.
分类号 E21B19/24;E21B3/02;E21B15/00 主分类号 E21B19/24
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