Patent ID: 7201457

Claim:
A rubber crawler, comprising: an endless rubber belt made of rubber elastic material and resin material; a tensile strength layer embedded in the endless rubber belt and comprising a plurality of tensile strength bodies extending in the circumferential direction of the rubber crawler and parallel to one another, and arranged in rows in a cross direction of the rubber crawler; and guide protrusions for preventing the rubber crawler from coming off tires of a traveling apparatus, the guide protrusions being formed on the inside of the endless rubber belt with respect to the circumferential direction of the rubber crawler and forming an angular ‘U’ shape so as to contact opposite sides of the tires, wherein the inside of the endless rubber belt with respect to the circumferential direction of the rubber crawler is so formed that the height of the inside of the endless rubber belt gradually decreases from the center of the inside to opposite ends of the inside, with respect to a cross direction of the rubber crawler.