US PATENT SUBCLASS 73 / 862.582
.~.~.~ Using a load responsive valve or restrictor

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

862  DF  DYNAMOMETERS {5}
862.381  DF  .~ Responsive to force {13}
862.581  DF  .~.~ By measuring a fluid pressure {2}
862.582.~.~.~ Using a load responsive valve or restrictor {1}
862.583  DF  .~.~.~.~> Pneumatic

DEFINITION

Classification: 73/862.582

Using a load responsive valve or restrictor:

(under subclass 862.581) Subject matter wherein the load or force changes the opening of a valve or a restrictor which in turn changes the fluid pressure being sensed.