US PATENT SUBCLASS 222 / 410
.~ Rotary

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.~ Rotary {3}
411  DF  .~.~> Central discharge
412  DF  .~.~> Helically arranged projections (e.g., screws) {1}
414  DF  .~.~> Peripheral surface material contact

DEFINITION

Classification: 222/410

(under subclass 251) Dispensers having a rotary discharge assistant.

SEE OR SEARCH THIS CLASS, SUBCLASS:

367+, and see the notes thereto for other rotary discharge assistants.

SEE OR SEARCH CLASS

48, Gas: Heating and Illuminating,

48+, for rotary carbid feeders. 198, Conveyors: Power-Driven,

642, for rotary thrower type and subclass 441, 450, 469.1+, 608, 611+, and 803.16, for other rotary conveyors.

221, Article Dispensing,

277, for article dispensing devices having rotary discharge assistants, and see the search notes thereto for other fields of search in Class 221 involving rotary discharge assisting elements.

239, Fluid Sprinkling, Spraying, and Diffusing,

665+, 668+, 672+, and 681+ for a device comprising a container for nonfluid material and a rotary scattering or strewing means to distribute the material over an extended area.

241, Solid Material Comminution or Disintegration,

225, for rotary feeds to roll mills.

291, Track Sanders,

32, for rotary sand feeders.