Selectively biased tool and methods of using the same
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United States of America Patent
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May 4, 2004
Grant Date -
Jul 10, 2003
app pub date -
Jan 17, 2003
filing date -
Sep 8, 1998
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A tool including a working portion with a working member, a side surface and an end surface. The working portion includes a passage passing through the side surface and the end surface. At least one seal is adapted to restrict fluid flow through the side surface and the end surface and at least partially defines a pressure chamber. The working member is adapted to be selectively pivotally positioned by selectively pressurizing the pressure chamber. The tool similarly enables unique methods of working workpieces.
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