Single joint elevator having deployable jaws
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United States of America Patent
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Mar 25, 2014
Grant Date -
May 23, 2013
app pub date -
Feb 7, 2013
filing date -
Jan 19, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention provides an apparatus and a method for lifting a single joint of pipe. The single joint elevator of the present invention comprises, in one embodiment, a pair of deployable jaws cooperating with a pair of static jaws to secure a pipe within the slot of a generally horseshoe-shaped body. The deployable jaws of the single joint elevator of the present invention may be rotatably deployable or translatably deployable, or both. In one embodiment, each jaw, including the static jaws and the deployable jaws, comprises a pipe slip movably disposed within the jaw to secure a pipe segment within the slot and to self-tighten as the weight of the pipe segment secured within the single joint elevator is transferred to the slips and the jaws.
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