| 主权项 |
1. A sorting screen for sorting material, comprising
a row of rotatable, driven shafts mutually spaced in a conveying direction and each extending transversally to said conveying direction, said shafts each carrying a row of radially extending rotor bodies for intermittently urging material on the screen upward and in conveying direction, the rotor bodies of each of said rows being mutually spaced in longitudinal direction of the respective shaft by spacers retained between side faces of adjacent rotor bodies, wherein a rotor body carried by a shaft projects between rotor bodies carried by a neighboring one of said shafts, each spacer is a tubular spacer, each rotor body side face retaining an end of a spacer is provided with at least a plurality of recesses or a plurality of a number of projections, each for retaining a respective end face of a respective tubular spacer, and wherein at least one of said recesses or of said projections is arranged for retaining an end face of a tubular spacer of a first different diameter and at least another one of said recesses or of said projections is arranged for retaining an end face of a tubular spacer of a second diameter different from said first diameter. |
