B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
B02C2/00—Crushing or disintegrating by gyratory or cone crushers
B02C2/02—Crushing or disintegrating by gyratory or cone crushers eccentrically moved
B02C2/04—Crushing or disintegrating by gyratory or cone crushers eccentrically moved with vertical axis
B02C2/047—Crushing or disintegrating by gyratory or cone crushers eccentrically moved with vertical axis and with head adjusting or controlling mechanisms