THREE-ROLL MOTOR ROLLER Russian patent published in 2020 - IPC E01C19/26 

FIELD: machine building.

SUBSTANCE: invention relates to road machines, specifically to machines for compacting asphalt concrete, soil and crushed stone.

EFFECT: technical result achieved by the proposed motorized three-roll roller consists in the fact that the device provides deep adjustment of vertical load on rollers of the roller (both in the direction of reduction, and in direction of increasing static load on rollers) in accordance with change in strength of sealed surface and enables to implement waveless rolling by combining all frames of roller in a single rigid structure.

1 cl, 10 dwg