(under subclass 59) Subject matter in which threshing is accomplished by the action of force tending to make rotating crop move away from the center of rotation.
(1) Note. The force is developed by a fan or blower or by high speed movement of the rotor.
SEE OR SEARCH CLASS
56, Harvesters,
12.8+, which includes means for moving air under pressure or suction, whereby vegetation or crop is moved under the influence of air.
209, Classifying, Separating, and Assorting Solids,
148, for methods and means where in material is centrifugally projected into the suspending gaseous current. 222, Dispensing,
410, for centrifugal force feeders, per se.
241, Solid Material Comminution or Disintegration,
39+, and 275 for comminutors including centrifugal force feeding.