US PATENT SUBCLASS 222 / 414
.~.~ Peripheral surface material contact

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}
410  DF  .~ Rotary {3}
414.~.~ Peripheral surface material contact

DEFINITION

Classification: 222/414

(under subclass 410) Dispensers having the peripheral surface of the rotor in contact with the material to move the same, the material moving circumferentially of the rotor axis.

SEE OR SEARCH CLASS

221, Article Dispensing,

259, for article dispensing devices having discharge assistant means of the surface contact type, most of which have motion which is rotary in character.