US PATENT SUBCLASS 222 / 304
.~.~.~.~.~ Axial pocket trap

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}
293  DF  .~.~ Rotor having plural adjustable parts of rotor form {2}
295  DF  .~.~.~ Axially adjustable {5}
303  DF  .~.~.~.~ Groove or trap blocking means {1}
304.~.~.~.~.~ Axial pocket trap

DEFINITION

Classification: 222/304

(under subclass 303) Dispensers in which the relative axial adjustment is between a single trap chamber coaxial of one rotor part and an axially adjustable wall or block forming the other rotor part.