Patent ID: 6932131

Claim:
A tire reinforcing arrangement comprising a tire, said tire having two retaining flanges bilaterally extended along the inner diameter thereof, and two auxiliary tires mounted inside said tire and respectively fastened to the retaining flanges of said tire, wherein each said auxiliary tire comprising: a plurality of auxiliary tire elements, said auxiliary tire elements each comprising two mounting holes aligned at two opposite lateral sides thereof, two top protruding edges bilaterally disposed at a top side thereof, a top mounting groove defined between said top protruding edges and coupled to one retaining flange of said tire, and a plurality of end notches bilaterally symmetrically formed in front and rear sides thereof; a plurality of smoothly arched connecting plates respectively fastened to said auxiliary tire elements at two sides to connect said auxiliary tire elements into a series of linked auxiliary tire elements, said smoothly arched connecting plates each having two distal ends respectively connected to two of said auxiliary tire elements; a plurality of first screw bolts respectively inserted through said smoothly arched connecting plates and the mounting holes of said auxiliary tire elements to fasten said smoothly arched connecting plates to said auxiliary tire elements, said first screw bolts each having a rear end and a transverse pinhole transversely extended through the rear end; a plurality of first pins respectively fastened to the transverse pinhole of each said first screw bolt to secure said first screw bolts to said auxiliary tire elements and said smoothly arched connecting plates; a first U-bar and a second U-bar secured together to join the ends of said series of linked auxiliary tire elements, said first U-bar comprising two end holes for connection to the mounting holes of one said auxiliary tire element at a first end of said series of linked auxiliary tire elements and a middle mounting hole, said second U-bar having two end holes for connection to the mounting holes of one said auxiliary tire element at a second end of said series of linked auxiliary tire elements, a middle screw hole, and a pinhole transversely extended through two arms thereof; a second screw bolt inserted through the middle mounting hole of said fist U-bar and threaded into the middle screw hole of said second U-bar to fasten said first U-bar and said second U-bar together, said second screw bolt having a polygonal shoulder stopped against an inside wall of said first U-bar, and a plurality of transverse through hole; and a second pin inserted through the pinhole of said second U-bar and one transverse through hole of said second screw bolt to secure said second screw bolt to said first U-bar and said second U-bar.