Constant lift cam spreader
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United States of America Patent
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Jun 23, 2009
Grant Date -
Dec 22, 2005
app pub date -
Jun 16, 2004
filing date -
Jun 16, 2004
priority date (Note) -
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Abstract
A cam spreader having a substantially rigid body with a proximal end defining a handle and a distal end defining a cam. The cam has at least a first lobe, the first lobe having an outer surface in a first quadrant of the cam as viewed in cross section along a longitudinal central axis of the body. At least a portion of the outer surface, or profile, of the curve is mathematically driven and produces a constant incremental lift.
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