US PATENT SUBCLASS 73 / 54.28
.~.~.~ Rotationally driven member

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

53.01  DF  LIQUID ANALYSIS OR ANALYSIS OF THE SUSPENSION OF SOLIDS IN A LIQUID {15}
54.01  DF  .~ Viscosity {11}
54.23  DF  .~.~ Force reactance to member driven therein {5}
54.28.~.~.~ Rotationally driven member {4}
54.29  DF  .~.~.~.~> Comparator
54.31  DF  .~.~.~.~> By measuring the driving force or the speed of the driven member
54.32  DF  .~.~.~.~> By measuring an opposed drag force {2}
54.35  DF  .~.~.~.~> Including detail of a motor drive, a stator, or a housing structure of a motor

DEFINITION

Classification: 73/54.28

Rotationally driven member:

(under subclass 54.23) Subject matter wherein the member is subjected to rotational motion of more than 360 degrees.

(1) Note. Oscillations of less than 360 degrees are considered vibrations.