US PATENT SUBCLASS 222 / 313
.~.~.~.~.~ Biased controller

Current as of: June, 1999
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222 /   HD   DISPENSING

251  DF  WITH DISCHARGE ASSISTANT (E.G., IMPELLER, PUMP, CONVEYER, MOVABLE TRAP CHAMBER, ETC.) {30}
282  DF  .~ With discharge volume varying means {12}
310  DF  .~.~ With discharge controller {1}
311  DF  .~.~.~ Rotor with discharge controller {4}
312  DF  .~.~.~.~ Discharge passage between drum-type rotor and controller {2}
313.~.~.~.~.~ Biased controller

DEFINITION

Classification: 222/313

(under subclass 312) Dispensers having the discharge controller urged toward a desired position by spring, weights or other biasing means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

511+, and see the notes to the definition thereof for biased flow controllers in other combinations.