ENDLESS LINE BODY AND CRAWLER DEVICE

摘要

MEANS TO SOLVE A crawler belt 20 includes first regions and second regions alternately arranged in a circumferential direction thereof. The first region has at least one first tread lug 25 and the second region has at least one second tread lug 26. The first tread lug 25 has high flexural rigidity and is not easily bent and the second tread lug 26 has low flexural rigidity and is easily bent. The first tread lug 25 catches on an upper end of a high step or bump S with the second tread lug 26 in a bent condition, thus allowing the crawler unit to move over the step or bump.