| 主权项 |
1. A wheel assembly comprising a radial pneumatic tire mounted upon an H-type rim, said tire comprising: a carcass and a belt reinforcing structure, the belt reinforcing structure comprising: a first, second, and third belt layer, each belt layer having cords arranged at an angle of 10 degrees or less with respect to the mid-circumferential plane, wherein the second belt layer is positioned between the first and third belt layer, wherein the second belt layer has a width less than the first and third belt layer, and a zigzag belt reinforcing structure, the zigzag belt reinforcing structure forming two layers of cords, the cords inclined at 5 to 30 degrees relative to the centerplane of the tire extending in alternation to turnaround points at each lateral edge, wherein the belt width of the zigzag belt reinforcing structure is wider than the first belt layer, and the ratio of the width between wheel flange WBF to the section width W under rated pressure is in the range of 0.65 to 0.7 range. |
