US PATENT SUBCLASS 222 / 307
.~.~.~ Wall with straight line movements

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}
307.~.~.~ Wall with straight line movements {1}
308  DF  .~.~.~.~> Screw adjusting means

DEFINITION

Classification: 222/307

(under subclass 305) Dispensers having at least one wall of the trap chamber adjustable by bodily inward or outward movement to the same extent in all its parts to vary the capacity of the trap chamber.

SEE OR SEARCH THIS CLASS, SUBCLASS:

304, for axial pocket rotary trap chambers having an adjustable wall to vary the capacity.

440, for straight line motion adjustable walls for stationary trap chambers.