US PATENT SUBCLASS 73 / 546
.~.~ Leaf spring biasing means


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73 /   HD   MEASURING AND TESTING

488  DF  SPEED, VELOCITY, OR ACCELERATION {29}
535  DF  .~ Centrifugal weight type {10}
546.~.~ Leaf spring biasing means


DEFINITION

Classification: 73/546

(under subclass 535) Apparatus wherein a leaf spring supports or biases the centrifugal weight.