Importance

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Abstract

A tire testing device includes a vehicle, and a test unit provided in the vehicle and capable of supporting a test wheel on which a test tire is mounted in a state in which the test wheel is in contact with a road surface. The test unit includes a power unit configured to output power for rotationally driving the test wheel. The power unit includes a rotation output unit configured to output a rotational motion of a rotation speed corresponding to a traveling speed of the vehicle, and a torque applying unit configured to add torque to the rotational motion to output the torque. the rotation output unit includes a driven wheel configured to contact a road surface, a first axle coupled to the driven wheel, and a first transmission mechanism configured to couple the first axle to an input shaft of the torque applying unit.

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First Claim