SWAMP BUGGY Russian patent published in 2014 - IPC B62D57/00 

FIELD: transport.

SUBSTANCE: invention relates to automotive industry. Swamp buggy comprises caterpillar movers mounted at boards and rigidly coupled by transverses tubes, guide wheel, drive sprocket, road rollers and reinforced-rubber caterpillar chain. Two adjustable-height screw propellers are mounted on suspensions inside caterpillar movers parallel about lengthwise body axis. Moves are driven by hydraulic motor via spur reduction gearbox. Drive sprocket is fitted on output shaft while another output shaft is used to drive screw propeller drive. Spur reduction gearbox incorporates screw propeller disengage element. Translation speed of reinforced-rubber caterpillar equals that of screw propeller external point. Screw propeller suspensions are articulated with caterpillar mover frame to turn thereabout. Streamlined safety board is arranged over the entire width of this mover.

EFFECT: higher flotation.

5 cl, 6 dwg