发明授权
- 专利标题： Positive retraction latch locking dog for a rotating control device
- 专利标题（中）： 用于旋转控制装置的正退回锁定锁
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申请号： US13183787申请日： 2011-07-15
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公开(公告)号： US09010433B2公开(公告)日： 2015-04-21
- 发明人: Aristeo Rios, III , James W. Chambers , Thomas F. Bailey , Danny W. Wagoner , Simon J. Harrall
- 申请人： Aristeo Rios, III , James W. Chambers , Thomas F. Bailey , Danny W. Wagoner , Simon J. Harrall
- 申请人地址： US TX Houston
- 专利权人： Weatherford Technology Holdings, LLC
- 当前专利权人： Weatherford Technology Holdings, LLC
- 当前专利权人地址： US TX Houston
- 代理机构： Oathout Law Firm
- 代理商 Mark A. Oathout
- 主分类号： E05C1/12
- IPC分类号： E05C1/12 ; E21B33/08 ; E21B33/038
摘要：
A latch and method for use is provided for latching an item of oilfield equipment. The latch has a housing containing a latch member, and the latch member is movable between a radially engaged position in which it is engaged with the item of oilfield equipment, and a radially retracted position in which it is disengaged from the item of oilfield equipment. An actuator is configured to drive the latch member into the radially engaged position. Further, the actuator is configured to drive the latch member toward the radially retracted position.
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