(under the class definition) Subject matter having a series of stationary bars or open grates located below the threshing cylinder or rotor and surrounds part of its circumference.
SEE OR SEARCH CLASS
99, Foods and Beverages: Apparatus,
567+, for separating one external portion from the remaining food and grain hulling.
209, Classifying, Separating, and Assorting Solids,
274+, for sifters having concave or convex material receiving surfaces.
241, Solid Material Comminution or Disintegration, 27, for apparatus in which comminution or disintegration of the material is effected by subjecting the particles thereof to a blow by a moving surface; subclass 86 for apparatus in which the surface having openings cooperates with a rotary surface or member to effect the comminution; subclass 273.4 wherein the stationary comminuting surface is an interior curved surface; subclasses 185.5+ for apparatus wherein the material is subjected to the action of a rotary member which strikes the material a sudden blow to effect comminution; subclass 221 for apparatus in which the material flows circumferentially or tangentially of the rotary surface during the comminuting operation.
