(under the class definition) Subject matter consisting of a fan, a blower or an adjustable valve which controls or regulates the discharge at the rear of the threshing machine.
(1) Note. The device spreads, handles, or regulates the material (other than uncontrolled discharge) including straw and chaff which exit from the machine after it is threshed, separated and cleaned.
SEE OR SEARCH CLASS
56, Harvesters,
13.3, for air-moving means which directs crop material away from the harvester; subclasses 16.4+ for apparatus for handling, regulating or dividing one portion of crop from another thereof, or dividing unwanted material from wanted crop; subclass 71 for apparatus having mechanism for effecting the discharge of the cut stalks from the machine.
99, Foods and Beverages: Apparatus,
580, for discharge feature for handling subdivided portion of food which includes an ejector, guiding-trough, trap door, etc.; subclasses 609+ for mechanism to feed or discharge material including discharge of the grain from final hulling zone. 209, Classifying, Separating, and Assorting Solids,
256, and 258 for valves associated with sifters to control the discharge of the material from the sifters.
241, Solid Material Comminution or Disintegration,
186.2, and 186.3 for means to effect a change in the flow of material from the comminutor and means to change the course of the material as it flows from the comminuting zone; subclass 222 which includes material discharge mechanism or control.
