US PATENT SUBCLASS 414 / 199
.~.~ By material supporting structure movable, or having a movable component, to release material into chamber by gravity

Current as of: June, 1999
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414 /   HD   MATERIAL OR ARTICLE HANDLING

147  DF  CHAMBER OF A TYPE UTILIZED FOR A HEATING FUNCTION AND MATERIAL CHARGING OR DISCHARGING MEANS THEREFOR {6}
160  DF  .~ Charging of chamber {7}
199.~.~ By material supporting structure movable, or having a movable component, to release material into chamber by gravity {4}
200  DF  .~.~.~> Including serially arranged closures {1}
204  DF  .~.~.~> Bell and hopper {1}
206  DF  .~.~.~> With means to distribute material after release from structure
207  DF  .~.~.~> Comprising a tiltable material containing member

DEFINITION

Classification: 414/199

By material-supporting structure movable, or having a movable component, to release material into chamber by gravity:

(under subclass 160) Apparatus wherein the means enabling movement of material includes material-supporting structure movable, or having a portion thereof movable, to release by gravity material into the chamber (e.g., gated hopper, tilting bin, etc.).