TAMPING ROLL (VERSIONS) Russian patent published in 2003 - IPC

FIELD: road building. SUBSTANCE: proposed tamping roll contains frame with axle on which disks and tamping tools are mounted, tamping tools being arranged between disks. Segment member is movably connected with each tamping tool for contact with support surface and with disks over periphery. According to other design version, segment members which are located in initial position in interdisk space intersected by tamping tools at their turning, and get out of said space in final position, are hinge connected with disks. Stability of roll is improved owing to transmission of part of its weight to support surface by means of segment members overlapping part of interdisk space. EFFECT: improved stability of roll. 3 cl, 12 dwg