US Patent 7806487 Noiseless rubber tracks for tracked vehicles

A rubber track for tracked vehicles, comprising a rubber belt with an inner surface and a ground-engaging surface, the ground-engaging surface comprising a series of traction lugs spaced apart in a longitudinal direction of the track at a first pitch, the inner surface provided with a series of drive lugs spaced apart in the longitudinal direction of the track at a second pitch, wherein the rubber belt comprises at most one reinforcing rod, embedded in a rubber material thereof and extending transversally substantially over an entire width of the track, at every two traction lugs.