Patent ID: 7128378
Filing Date: 2006-10-31
Classification: B62D

Abstract:
1. A coreless rubber crawler in the form of endless belt comprising a number of cords embedded in a main body of the rubber crawler at predetermined intervals in a width direction of the rubber crawler and extending in a lengthwise direction of the rubber crawler, and being rotatably connected around a driving roller and a driven roller, wherein the main body is divided into two areas by a centerline in the width direction of the main body, one of the two areas comprising S-twist cords and the other area comprising Z-twist cords, and wherein the S-twist cords and the Z-twist cords are each inclined in an outside direction with respect to the centerline and with respect to a running direction when viewed in cross section with respect to the width of the main body, wherein the S-twist cords and the Z-twist cords and a cord layer superposed thereon are provided in the main body, the cord layer having a cord arrangement, in each of the two areas, or alternating S-twist cords and Z-twist cords.