Expandable tool for an earth boring system
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United States of America Patent
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Oct 9, 2012
Grant Date -
Jan 19, 2012
app pub date -
Jul 14, 2010
filing date -
Jul 14, 2010
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In one aspect of the present invention an expandable tool for an earth boring system comprises a mandrel comprising a tubular body and an outer diameter, a plurality of blades disposed about the outer diameter, and a slidable sleeve positioned around the outer diameter and capable of manipulating the plurality of blades into collapsed and expanded positions.
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