Patent ID: 8727248

Claim:
A comminutor, comprising: a rotary cutter wheel rotatable about an axis of rotation; a frame having at least one frame member extending substantially parallel to said axis, said at least one frame member having a first surface facing toward said axis, a second surface opposite said first surface and a third surface extending from said first surface to said second surface; at least one cutter bar having a plurality of cutter teeth, said at least one cutter bar being affixed to said at least one frame member such that said cutter teeth of said at least one cutter bar extend toward said axis, each of said cutter teeth having a distal surface facing away from said at least one frame member and a side surface extending from said distal surface toward said at least one frame member, said side surface being proximate to said third surface of said at least one frame member; and a plurality of screen bars substantially perpendicular to said at least one frame member and spaced away from each other along the direction of said axis such that each of said screen bars is aligned with a corresponding one of said plurality of cutter teeth, wherein each of said screen bars has an end that fits closely to said third surface of said at least one frame member and said side surface of said corresponding one of said cutter teeth.