Patent ID: 6834696
Filing Date: 2004-12-28
Classification: B60C,Y10T

Abstract:
A runflat tire having an axis of rotation, the tire comprising:a pair of axially-spaced bead portions; each bead portion having a bead core; a pair of axially-spaced sidewalls; at least one body ply; each of the sidewalls including a sidewall insert disposed axially inwardly of the at least one body ply; the sidewall inserts being adapted to support the sidewall in an uncollapsed runflat operating condition; the sidewall inserts being fabricated from a high modulus material; and each of the sidewalls having a radial portion and a cantilever portion, the cantilever portion being cantilevered with respect to the bead core; the cantilever portion of the sidewall being configured such that a reference line tangent to the at least one body ply in the cantilever portion of the sidewall is disposed at an angle in the range of +30 degrees to âˆ’30 degrees with respect to the axis of rotation of the tire.