CATERPILLAR VEHICLE ROLL WHEEL Russian patent published in 2012 - IPC B62D55/14 

FIELD: transport.

SUBSTANCE: invention relates to automotive industry. Proposed roll wheel comprises two rigidly jointed coaxial identical-size metal rims and two identical one-piece tires made from elastic wear-resistant material. Tires are vulcanised separately onto outer cylindrical surface of both rims. Wheel metal section represents commercially available automotive wheel disc of required type and material. Tires are vulcanised separately onto extending wheel disk bead ledge and rim inner under flange surfaces.

EFFECT: simplified production, higher reliability.

3 cl, 1 dwg