Patent ID: 6901981

Claim:
A tire structure, comprising of: an outer tire, made of a flexible material, installed on the rim of a wheel, and secured on the latch edge of the wheel, thereby an enclosed space being defined between the outer tire and the wheel; an auxiliary inner tire, substantially in an annular shape, accommodating the inner space of the outer tire, and the diameter of an inner opening of the auxiliary inner tire being larger than the external diameter of the middle section of the wheel, and the inner opening and the middle section of the wheel keeping an annular gap between thereof; a support tire, being a flexible annular tube installed onto the outer rim at the middle section of the wheel in the inner opening of the auxiliary inner tire; thereby air being pumped into the space enclosed by the support tire and the space enclosed by the outer tire and the support tire pressing the inner tire against the inner edge of the outer tire, the outer tire being supported by the support tire and having appropriate support to hold a car during a flat tire or leakage; the support tire being capable of not be compressed completely and not damaged by the latch edge of the wheel, so that the tire being not damaged easily and continuing its running for a short time.