Patent ID: 7543487

Claim:
A traveling test apparatus for a vehicle, comprising: a flat-belt mechanism that includes: a first pair of rollers; and a first endless belt wound around the first pair of rollers, the flat-belt mechanism being configured such that at least one tire of the vehicle can contact with the first endless belt, and that the first endless belt is revolved around the first pair of rollers by rotation of the at least one tire; a supporting belt mechanism, arranged within a space surrounded by the first pair of rollers and the first endless belt, which includes: a second pair of rollers; and a second endless belt wound around the second pair of rollers, the supporting belt mechanism being configured such that an upper outer circumferential surface of the second endless belt contacts with an upper inner circumferential surface of the first endless belt, and that the second endless belt is revolved around the second pair of rollers by the rotation of the at least one tire; a supporting roller mechanism arranged within a space surrounded by the second pair of rollers and the second endless belt, wherein the supporting roller mechanism includes a plurality of supporting rollers each of which is substantially as axially long as the second pair of rollers, wherein the plurality of supporting rollers contact with an upper inner circumferential surface of the second endless belt, and wherein the plurality of supporting rollers are rotated by the rotation of the at lease one tire.