Cutter Arrangement Pattern for Maintaining Rotor Balance
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United States of America Patent
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Issued Date -
Aug 7, 2014
app pub date -
Jun 18, 2013
filing date -
Feb 7, 2013
priority date (Note) -
Abandoned
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Abstract
A method and apparatus for providing for a balanced rotor having cutting teeth attached thereto. The longitudinal length of the rotor is conceptually divided in half by a plane disposed perpendicular to the axis of rotation. The cutting teeth are arranged in a plurality of helices about the rotor so each half of the rotor is statically balanced. The cutting teeth are further arranged so the centers of mass of the two halves are equidistant from the dividing plane. A gap may exist between the ends of the rotor and the nearest tooth encountered in each helix. The gaps for different helices may be different, however, the gaps at each end of each helix are the same length. The above result in a rigidly balanced rotor.
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