Patent ID: 6814114
Filing Date: 2004-11-09
Classification: B60B,B60C

Abstract:
A tire apparatus for driving a vehicle during periods of low tire pressure and normal tire pressure, comprising:a tire having a tread section, said tire also having a pair of side walls located adjacent said tread section, a first bead is located at an end of one of the side walls and a second bead is located at an end of the other side wall; and a rim having a first bead seat and a second bead seat, said rim is configured for attachment to a wheel of a vehicle, said rim having a support member for engaging said tire during periods of low tire pressure, at least one of said first and second bead seats having grit disposed thereon to prevent relative rotational movement between said tire and said rim, wherein said grit is disposed around the entire circumference of said at least one of said first and second bead seats.