ERGONOMIC HAND KNOB HAVING ASYMMETRICAL FLUTES
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United States of America Patent
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Issued Date -
Sep 27, 2012
app pub date -
Mar 21, 2011
filing date -
Mar 21, 2011
priority date (Note) -
Abandoned
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Abstract
An ergonomic hand knob for a control valve includes a valve body and a plurality of flutes disposed in the valve body, each flute including a flute surface. Each flute is asymmetric with respect to an innermost point of the flute surface. A first flute surface has a greater slope than a second flute surface. The first flute surface lays in a direction of tightening from the innermost point and the second flute surface lays in a direction of loosening from the innermost point.
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