VEHICLE DRIVE WHEEL Russian patent published in 2014 - IPC B60B15/26 

FIELD: transport.

SUBSTANCE: invention relates to automotive industry, particularly, to flotation increasing means to be fitted directly on vehicle wheels. Proposed device consists of rim, grousers extension drive and automatic controller. Said rim is composed by the ring with openings for said grousers and sidewall. The latter is rigidly jointed to said ring. Ring diameter equals that of vehicle main wheel. Ring outer surfaces have irregularities. Grousers are furnished with limiters. Grousers extension drive is composed of the sleeve fitted on the main wheel axle to secure inner ends of said grousers. Rim sidewall is articulated with aid sleeve while outer ends of the grousers are fitted in ring openings. Grousers are curved and made from spring steel. Clutch is arranged between said sleeve and axle.

EFFECT: better tractor-trailer properties under heavy road conditions.

3 cl, 4 dwg