Patent ID: 7083242
Filing Date: 2006-08-01
Classification: B62D

Abstract:
1. Endless flexible belt track formed from an elastomer and comprising a steel cable spirally wound and embedded in the thickness of said endless flexible belt to form substantially parallel, longitudinal turns, and at least one layer of wires embedded in the thickness of the endless flexible belt on at least one of the inside and outside relative to the turns of the cable, said endless flexible belt further comprising: a first oblique layer formed from wires that form a first acute angle perpendicular to a longitudinal axis of the flexible belt track and to the turns of the cable; a transverse layer formed from wires that form a right angle to the turns of the cable; and a second oblique layer formed from wires that form a second acute angle perpendicular to a longitudinal axis of the flexible belt track and to the turns of the cable, the second acute angle extending in the opposite direction to the first acute angle, wherein said transverse layer is disposed in between said first oblique layer on the bottom and said second oblique layer on the top, wherein said first oblique, transverse, and second oblique layers are formed above said parallel and longitudinal turns, wherein the first acute angle is between 15 and 25 degrees and the second acute angle is between 15 and 25 degrees.