VARIABLE WHEEL TRACK CHASSIS Russian patent published in 2014 - IPC B62D21/14 B60B35/10 

FIELD: transport.

SUBSTANCE: invention relates to automotive industry. Proposed chassis comprises frame coupled via track variation mechanism with wheel swivel post. Said frame is composed of pipe. Track variation mechanism is composed of four-lever drive that allows torsion spring to return to initial position. Crosswise ends of torsions are rigidly jointed together in pairs. One of lengthwise ends of torsions is secured at said frame. Another lengthwise ends is secured at piston rod that can axially displace along said frame having horizontal slitted holes. Crosswise ends of torsions are interconnected via said holed by means of track variation mechanism actuator to support drive wheel posts.

EFFECT: higher flotation.

2 cl, 1 dwg