(under subclass 71) Subject matter wherein the position of the bar or blade can be regulated.
(1) Note. This subclass provides for the adjustment or replacement of the individual blade or bar or the total movement of all blades or bars that perform threshing.
SEE OR SEARCH CLASS
209, Classifying, Separating, and Assorting Solids,
394, wherein the sifting passages which are formed by nonintermeshing bars have means for their relative adjustment to vary the size of the passages.
