The hammer crusher of FIGS. 4 and 5 is generally designed similar to that of FIGS. 1 to 3, i.e. is likewise composed of a rotor built up of a plurality of discs 2, 2a, 2b rotatably connected to a shaft 1. The hammer crusher of FIGS. 4 and 5 differs, however, from that of FIGS. l to 3 in that the hammers 5', 5a', 5b', 5c' are narrower than the ...Web