VEHICLE Russian patent published in 1997 - IPC

FIELD: transport engineering; vehicle for operation of hill sides. SUBSTANCE: vehicle has frame, engine, transmission and device to prevent turning over in form of counterweight with drive. Counterweight is arranged on ring beam made up of hinge-connected sectors of arcs, side sectors being furnished with lift drives. In additional to side sectors ring beam can be provided either with rear sector of front sector or both front and rear sectors. Side sectors are furnished with support feet on ends. If rear and front sectors are used, they are connected with side sectors at angle. Counterweight drive has drive link for engagement with catching members rigidly secured on beam. In second design version, front and rear sectors are rigidly secured on vehicle and drive is mounted directly on counterweight. Side arc lifting drives are made in form of hydraulic cylinders. Ring weight can be arranged either horizontally or at angle to tractor centerline. EFFECT: provision of safe operation on hill sides. 9 cl, 9 dwg