CHAIN TRACK Russian patent published in 2011 - IPC B62D55/104 

FIELD: transport.

SUBSTANCE: invention relates to machine building. Chain track comprises a frame, endless reinforced rubber caterpillar chain, drive sprocket, guide wheel with tensioner, support rollers, crossarm rollers, and support rollers. Support rollers are mounted on carriage engaged with crossarm by guide sleeves and elastic spring interconnected by adjustable-length screw. Crossarm lengthwise section on the frame side is defined along radius "R" with crossarm convex upward. Crossarm rollers are secured on the frame to revolve thereon and rest on crossarm convex side. Crossarm has lateral limiters and thrusts for rollers.

EFFECT: higher reliability.

3 cl, 5 dwg