Patent ID: 8776587

Claim:
A tire tester comprising: a simulated road surface; a device frame; a slide base supported on said device frame so as to be vertically movable; a slide base lifting/lowering mechanism for vertically lifting/lowering said slide base; a large spindle which is attached to said slide base so as to be capable of rotatably supporting a tire, and has a built-in sensor for measuring tire characteristics of the supported tire; and a small spindle which is attached to said slide base so as to be capable of rotatably supporting a tire smaller in diameter than tires attachable to said large spindle, and has a built-in sensor for measuring tire characteristics of the supported tire, said slide base lifting/lowering mechanism lowering said large spindle and said small spindle attached to said slide base by lowering said slide base relative to said device frame to press the tire supported by either one spindle of said large spindle and said small spindle, which is selected according to the diameter of the tire, onto said simulated road surface.