Patent ID: 7823988

Claim:
A crawler without steel cores having a plurality of lugs ( 3 ) formed on an outward surface of a crawler body ( 2 ) so that they come into contact with the ground; a plurality of guide projections ( 5 ) formed on an inward surface of the body ( 2 ) at regular intervals, the crawler comprising: a plurality of main steel cords ( 10 ) inserted inside the crawler body ( 2 ), closer to the inward surface and aligned in a longitudinal direction of the crawler body; first and second inner separation preventing steel cords ( 20 , 20 a ) disposed adjacent to one another to form a first layer on the main steel cords ( 10 ), each of which has laterally an oblique angle with respect to a center portion in the longitudinal direction, the first and second inner separation preventing steel cords being disposed with different oblique angles with respect to the center portion in the longitudinal direction; and first and second outer separation preventing steel cords ( 30 , 30 a ) disposed adjacent to one another to form a second layer on the first and second inner separation preventing steel cords ( 20 , 20 a ), each of which laterally has an oblique angle with respect to a center portion in the longitudinal direction, the first and second outer separation preventing steel cords being disposed with different oblique angles with respect to the center portion in the longitudinal direction.