Patent ID: 6971598

Claim:
In a cutter body having a beater ( 10 ) which has a bearing body ( 14 ) with a bearing bore ( 11 ), wherein a beater head ( 18 ) adjoins the bearing body ( 14 ) via a connecting section ( 15 ), wherein the bearing body ( 14 ) has lateral faces ( 12 . 1 , 12 . 2 ) that receive the bore openings and are arranged on sides transversely with respect to a bearing axis of the bearing bore ( 11 ), the improvement comprising: at least one of the lateral faces ( 12 . 1 , 12 . 2 ) being formed in a plurality of segments, and at least one of the lateral faces ( 12 . 1 , 12 . 2 ) divided into segments ( 10 . 1 ) by grooves arranged at least one of concentrically and radially with respect to the bearing axis.