(under subclass 79) Subject matter consisting of a system of rods, fingers, fins or similar elements which agitates the crop material and prevents crop buildup.
SEE OR SEARCH CLASS
209, Classifying, Separating, and Assorting Solids,
152, for a cooperating element which agitates the material; subclass 266 for guiding devices; subclass 267 for devices associated with sifters which retard the passage of material over the sifting surfaces; subclass 283 for sifters associated with rotating agitators.
