VEHICLE WITH ROLLER-AND-CRAWLER PROPULSIVE DEVICE ( VERSIONS) Russian patent published in 2003 - IPC

FIELD: transport engineering; cross-country vehicles. SUBSTANCE: proposed vehicle with roller-and-crawler propulsive device contains housing with guide beams installed lengthwise the housing. Part of front and rear beams is played by transverse multileaf springs whose outlet ends are coupled with bottom of support-and-carry members of pneumatic rollers through shackles pins and brackets. According to other design version, guide beams placed in vehicle housing have length equal to width of housing with fitted-in-torsion bars secured in middle part of beam. Levers are secured on outlet ends of torsion bars. Other ends of levers are coupled with bottoms of support-and-carry members of pneumatic rollers. EFFECT: increased running speed when negotiating rough terrains, improved riding comfort and performance characteristics. 3 cl, 4 dwg