CYLINDER OF ROLLER Russian patent published in 1994 - IPC

FIELD: compaction of roadway base and pavement. SUBSTANCE: cylinder is provided with frame and flexible shell. Roll is engageable with its inner surface and has axle which is parallel with axis of shell provided with vibration exciter made in the form of mechanism of changing distance between point of contact of roller bearing and frame. Rollers are positioned on different sides of vertical plane passing across axis of symmetry of flexible shell. EFFECT: enhanced operating reliability. 7 cl, 9 dwg