Patent ID: 6983774

Claim:
A tire reinforcing arrangement comprising: an outer tire, said outer tire comprising hooked flanges respectively extended along two opposite sidewalls thereof on the inside; two annular spare tires bilaterally set inside said outer tire, each annular spare tire including a plurality of spare tire blocks, each spare tire block including (a) two mounting through holes transversely extended through two opposite sides thereof, (b) a top locating groove adapted to receive said hooked flanges of said outer tire, (c) an embossed bottom wall, and (d) two projecting portions diagonally disposed at two ends, a plurality of links adapted to respectively join said plurality of spare tire blocks, and a plurality of screw bolts respectively fastened to said mounting through holes to secure said links to said spare tire blocks; and a plurality of stretchers respectively stopped between said annular spare tires, said stretchers each having two end lugs respectively stopped against said annular spare tires, a U-shaped middle part, and a rubber bonded to said U-shaped middle part.