US PATENT SUBCLASS 73 / 537
.~.~ Bias automatically variable during operation

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

488  DF  SPEED, VELOCITY, OR ACCELERATION {29}
535  DF  .~ Centrifugal weight type {10}
537.~.~ Bias automatically variable during operation {1}
538  DF  .~.~.~> Snap action

DEFINITION

Classification: 73/537

(under subclass 535) Apparatus with means by which different biasing action is obtained at different speeds.

SEE OR SEARCH CLASS

91, Motors: Expansible Chamber Type,

366, for a speed responsive device controlling an expansible chamber motor that varies the bias of the device.