US PATENT SUBCLASS 222 / 285
.~.~ Source and assistant relatively adjustable axially of source outlet

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}
285.~.~ Source and assistant relatively adjustable axially of source outlet {1}
286  DF  .~.~.~> Sleeve-type discharge controller for outlet

DEFINITION

Classification: 222/285

(under subclass 282) Dispensers having (1) an element forming part of or carried by the source of supply and (2) a discharge assistant movable relatively to each other in a direction axial to the source outlet to widen the discharge path, place varying areas of the discharge assistant in operative position or otherwise vary the output.

SEE OR SEARCH THIS CLASS, SUBCLASS:

163, for supply receptacles mounted for movement for discharge volume varying purposes.