BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a sectional side view of a prior art type EL ball and race pulverizer, wherein the lower or bottom grinding ring rests in and is secured to a ring seat which rests upon and is secured to the pulverizer yoke;
FIG. 2 is a detail cutaway view of a portion of the prior art EL pulverizer shown in FIG. 1;
FIG. 2A is a detail cutaway view of a portion of another prior art EL pulverizer similar to shown in FIGS. 1 and 2, wherein the lower or bottom grinding ring is a one-piece grinding ring;
FIG. 3 is a detail cutaway view of a portion of an EL pulverizer wherein, according to the present invention, a cylindrical roller type thrust bearing is interposed between the yoke and the base plate;
FIG. 4 is a detail cutaway view of a portion of an EL pulverizer wherein, according to the present invention, a ball type thrust bearing is interposed between the yoke and the base plate;
FIG. 5 is a detail cutaway view of a portion of an EL pulverizer wherein, according to the present invention, a tapered roller type thrust bearing is interposed between the yoke and the base plate;
FIG. 6 is a detail cutaway view of a portion of an EL pulverizer wherein, according to the present invention, a slide type thrust bearing is interposed between the yoke and the base plate;
FIG. 7 is a detail cutaway view of a portion of an EL pulverizer wherein, according to the present invention, a thrust bearing is interposed between the yoke and a base plate, and includes a plurality of load bearing idler rollers mounted on the yoke; and
FIG. 8 is a detail cutaway view of a portion of an EL pulverizer wherein, according to the present invention, a thrust bearing is interposed between the yoke and a base plate, and includes a plurality of load bearing idler rollers mounted on the base plate.