| 摘要 |
<p>The object of the present invention is to provide a rubber crawler having reduced vibration during running and further good soil-grasping property and soil-discharging property as well as improved durability. The rubber crawler 1 has a crawler body 10 and a plurality of metal cores 30 buried in the crawler body and lugs 15 provided on an outer periphery side with they being divided into left and right sides across the central portion, the lugs divided into left and right sides being arranged in zigzag alignment with shifting of phase in a circumferential direction of the crawler body, wherein each of the lugs 15 is in the form of trapezoid in section view having a contact area 20, a front side inclined surface 18 and a rear side inclined surface 19, extends from the central portion with inclining in the circumferential direction with respect to the width direction, and has a constriction portion 26 narrowing in the circumferential direction which is provided in the central portion in the width direction with being arranged astride three adjacent metal cores 30 in the circumferential direction in planar view.</p> |
