Patent ID: 6805416
Filing Date: 2004-10-19
Classification: B62D

Abstract:
A core bar for a rubber crawler, including: right and left wing parts; an engaging part for connecting the right and left wing parts; right and left protrusions formed on opposite sides of the engaging part to guide a rolling wheel; and right and left outside rails disposed on outer sides of the right and left protrusions with respect to a center of the core bar in the lengthwise direction thereof, respectively, each of the outside rails having an overhanging part extending in the widthwise direction of the wing part, wherein the overhanging part is formed with an edge portion that extends from the wing part, the edge portion having an upper surface which slants substantially downward toward an end of the overhanging part from a top surface of the outside rail and a convexly curved end surface extending downward from said upper surface, so that an outside collar of a rolling wheel smoothly transfers to a next rail surface.