Patent ID: 6345655
Filing Date: 2002-02-12
Classification: B60C,Y10T

Abstract:
A collapsible tire assembly for use on a vehicle for traveling over terrain, the tire assembly comprising:a rim rotatably mountable to the vehicle; an outer tube expandable from a stored condition to an expanded condition, said outer tube having side portions and a center tread portion for making contact with the terrain when in said expanded condition, said side portions being folded over said center tread portion when said outer tube is in said stored condition; means to mount said side portions of said outer tube to said rim such that said outer tube forms a chamber; an inner tube mounted within said chamber expandable from a stored condition within said chamber to an expanded condition expanding said outer tube to said expanded condition such that said center tread portion is supported by said inflated inner tube and said tire is suitable for moving the vehicle over the terrain; and means coupled to said inner tube for receiving a pressurized gas for inflating said inner tube to said expanded condition.