Patent ID: 7547079
Filing Date: 2009-06-16
Classification: B62D

Abstract:
1. An elastic crawler having: a crawler body formed with an elastic material in the shape of an endless track, lugs protruding from the ground contact side of the crawler body; and cores arranged parallel to each other in a longitudinal track direction of the crawler body and having wings such that the wings face the lugs and extend to the left and to the right of the center of the crawler body in the width direction thereof; characterized by first and the second lug units which are alternately arranged parallel to each other in the longitudinal track direction of the crawler body, wherein the first lug units each comprise first right lugs facing each other over two wings and arranged to the right of the center of the crawler body in the width direction thereof, and first left lugs arranged to the left of the center while proceeding symmetrical to the first right lugs around the center; and wherein the second lug units each comprise second right lugs facing each other over one wing and arranged to the right of the center of the crawler body in the width direction thereof and second left lugs arranged to the left of the center while proceeding symmetrical to the second right lugs around the center.