VEHICLE RUNNING SYSTEM Russian patent published in 2002 - IPC

FIELD: transport engineering; general-purpose agricultural crawler tractors. SUBSTANCE: proposed running system has left-hand and right-hand bogies in assembly with track rollers, track carrier rollers, track idler wheels and track driving wheels, track tightener, sprung suspension levers for connection with rear axle with axle-shafts. Front ends of outer and inner vehicle frame suspension levers are rigidly interconnected by cross pipe hinge secured on upper flat of bogie rear part by means of hoops. One end of flexible member-torsion bar is coupled with cross pipe of lever suspension, and other end is connected through flange with outer end face of bogie frame. EFFECT: increased reliability and efficiency of crawler unit, reduced labor input in manufacture. 2 dwg