Tread arcs for nonrotatable automobile and light truck tires

摘要

A pneumatic radial tire combination for four-wheeled automobile or light truck vehicles. The tire combination has a pair of front steer position tires and a pair of rear position tires. The front steer position tire (10) has a first tread arc (46) when the tire is normally inflated for normal load but unloaded, of decreasing radii extending toward the lateral edges (42, 44) and a straight line (50) drawn between the intersection of the tread arc curvature and the centerplane is inclined at an angle theta F of greater than 5 DEG relative to a tangent line L, L being tangent to the tread arc at the centerplane and parallel to the axis of rotation R. The rear tire (20) when similarly measured has a tread arc having an angle theta R of less than 5 DEG .