Patent ID: 8979010
Filing Date: 2015-03-17
Classification: B02C

Abstract:
1. A comb tooth assembly for comminution devices having cutting teeth disposed on comminution rolls interacting with comb teeth arranged on at least one mating assembly or cage for comminuting the material to be comminuted, consisting of at least one comb tooth body and at least one comb tooth, wherein the comb tooth is fastened to the comb tooth body by means of a first positively locking portion, the locking portion have two positively locking surfaces, wherein at the comb tooth body a second positively locking portion is provided for fastening the comb tooth to the comb tooth body, wherein at or in the comb tooth body the second positively locking portion is connected to the first positively locking portion and a web surface connecting the two positively locking surfaces extends in the center or centrally in a recess, wherein the second positively locking portion comprises at least one upper cross surface and the upper cross surface is angled relatively to a cross support surface web and two cross support surfaces are provided in opposite direction, that is in opposite direction of cutting and/or the upper cross surface and the two cross support surfaces are configured a wedge shape or a conical shape.