US PATENT SUBCLASS 73 / 1.84
.~.~ Rotary or rotor unbalance

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

1.01  DF  INSTRUMENT PROVING OR CALIBRATING {13}
1.82  DF  .~ Apparatus for measuring by use of vibration or apparatus for measuring vibration (e.g., acoustic or ultrasonic) {4}
1.84.~.~ Rotary or rotor unbalance

DEFINITION

Classification: 73/1.84

Rotary or rotor unbalance:

(under subclass 1.82) Subject matter wherein either the (a) apparatus for proving or calibrating the device or (b) the device being proven or calibrated includes either (1) a device undergoing angular motion or (2) an apparatus for determining the amount and/or location of masses or force causing unbalance in rotatable bodies.

SEE OR SEARCH THIS CLASS, SUBCLASS:

66+, for measuring rotor unbalance, per se.

455+, for a propeller rotor unbalance test.