Patent ID: 7261134
Filing Date: 2007-08-28
Classification: B60B,B60C

Abstract:
1. A wheel rim assembly including a wheel rim body supporting a tire and a supplementary tire support mounted in said tire around said wheel rim body, wherein said supplementary tire support comprises: a plurality of smoothly arched frame bars, said smoothly arched frame bars each comprising a frame base, a first mounting flange extending along one side of said frame base, said first mounting flange having two ends, a second mounting flange extending along one side of said first mounting flange remote from said frame base, two locating blocks respectively disposed near the two ends of said first mounting flange, two hangers respectively pivotally provided at the two ends of said first mounting flange, a plughole formed in one end of said first mounting flange, a resilient plug extending from the other end of said first mounting flange, and a plurality of fixed screw rods spaced along said first mounting flange, said smoothly arched frame bars being connected in series around said wheel rim body with the resilient plug of one of said smoothly arched frame bars engaged into the plughole of another one of said smoothly arched frame bars and with the respective hangers of said smoothly arched frame bars fastened to the respective locating blocks of the adjacent frame bars; a plurality of retaining members respectively fastened to said smoothly arched frame bars, said retaining members each comprising a base portion fitting the first mounting flange of each two adjacent ones of said smoothly arched frame bars, said retaining members having a flange extending along one side of said base portion thereof, and a plurality of through holes formed in said base portion each for receiving one screw rod of one of said smoothly arched frame bar; and an annular cushion adapted to hold said smoothly arched frame bars and said retaining members on an inside of the tire around said wheel rim body.