Patent ID: 8016368
Filing Date: 2011-09-13
Classification: B62D

Abstract:
1. A structure of a rubber crawler track in which steel cords are embedded along the longitudinal direction thereof, and a rubber lug is formed at the outer peripheral side thereof, wherein the rubber crawler track is configured to include at least three kinds of rubbers including: a first rubber (a) that is disposed at the inner peripheral side of the rubber crawler track; a second rubber (b) that is disposed at the outer peripheral side of the rubber crawler track; and a third rubber (c) disposed at both end portions in the width direction of the rubber crawler track, such that the third rubber (c) extends along an outer end portion of the first rubber (a) and along an outer end portion of the second rubber (b) in the width direction, wherein the third rubber (c) is a single rubber layer having a higher hardness than that of the first rubber (a) and that of the second rubber (b), wherein the third rubber (c) is present at least the inner peripheral side of the rubber crawler track, wherein the third rubber (c) is present at least the ground contact face of the rubber crawler track, and wherein the rubber crawler track is of a metal core-less structure.