Patent ID: 8418945
Filing Date: 2013-04-16
Classification: B02C,Y10T

Abstract:
1. A vertical shaft impact crusher for crushing material comprising: a rotor for accelerating a first flow of material to be crushed, a first feed element for feeding the first flow of material to the rotor, a housing comprising a circumferential impact wall section against which the accelerated first flow of material may be crushed, a second feed element for feeding a second flow of material to be crushed towards a distributing wall section of said housing and further into the path of the accelerated first flow of material, a cavity ring separating said impact wall section from said distributing wall section, wherein said cavity ring comprises at least two separate ring segments, at least one of the ring segments being a wear part adapted for forming a part of said cavity ring, and wherein at least two supports are provided for supporting said at least two ring segments and a locking device is provided for pressing at least the wear part towards at least one of said supports.