LOGGER RUNNING GEAR Russian patent published in 2013 - IPC B62D55/104 

FIELD: transport.

SUBSTANCE: invention relates to logger running gear, primarily, with crawler propulsors to be used in forestry. Running gear comprises bearing frame 1 with levers 4, 5 coupled therewith via axles 2, 3. Equalisers 8, 9 with road wheels 11, 12, 13, 14, 15 are fitted on axles 6, 7 at ends of levers 4, 5. Guide wheels 16 with tensioners and dampers and drive wheels 17 are mounted at said frame. Running gear incorporates device to lock rotation of equaliser 8, 9 around axles 6, 7 composed of rotary levers 19, 20. The latter have their ends articulated at bearing frame to turn in horizontal plane and opposite ends to grip said equalisers. Free ends of rotary levers 19, 20 are shaped to yokes. Hydraulic cylinders have one ends coupled with bearing frame 1 while their opposite ends are articulated with rotary levers 19, 20.

EFFECT: higher efficiency.

3 dwg