US PATENT SUBCLASS 222 / 306
.~.~.~ Single inlet-outlet, adjustable bottom

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}
305  DF  .~.~ Movable or conveyer-type trap chamber with capacity varying means {2}
306.~.~.~ Single inlet-outlet, adjustable bottom

DEFINITION

Classification: 222/306

(under subclass 305) Dispensers having trap chambers with a single opening for both the entrance and discharge of the material received from the supply and having only the wall opposite the opening, i.e., the bottom of the trap chamber, adjustable to vary the capacity of the trap chamber.

SEE OR SEARCH THIS CLASS, SUBCLASS:

444, and see the notes thereto, for other trap chambers having inflow-outflow passages.