The antirotation system comprises a brake lining by a conical head (60) or by a structure (10) carried (70) and an annular shoe (80) by another member of the bearer member, the crusher "empty upload "operation, the brake shoe and the annular liner by acting on the conical head (60) of the inertial centrifugal force against each other, thereby generating friction between the conical head (60) and the .