US PATENT SUBCLASS 73 / 460
.~ Dynamic (spinning)

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

66  DF  ROTOR UNBALANCE {7}
460.~ Dynamic (spinning) {4}
461  DF  .~.~> Mass centering
462  DF  .~.~> With electrical sensor and indicator {4}
468  DF  .~.~> With counterbalancing means {2}
471  DF  .~.~> With vibratable mount feature {3}

DEFINITION

Classification: 73/460

(under subclass 66) Subject matter for determination of rotor unbalance by spinning the same and studying its vibratory effects.