| 摘要 |
PROBLEM TO BE SOLVED: To evaluate a tire characteristic such as an envelope characteristic of a tire with a prescribed load. SOLUTION: This tire characteristic measuring device has a flat grounding plate 12 on which the tire is grounded; a tire support part 14 for supporting a tire center shaft, and moving the tire freely in the far-and-near direction relative to the grounding plate for grounding and non-grounding of the tire on the grounding plate; an axial force sensor 20 provided on the tire support part 14, for detecting an axial force acting on the tire center shaft; a cleat 18 acting as a projection to the tire grounded on the grounding plate 12 when being projected; and a processing device 26 for calculating an axial force variation generated according to occurrence of projection of the cleat as the tire characteristic, when the tire is grounded on the grounding plate 12 under the condition wherein the inter-axis distance between the tire center shaft and the grounding plate 12 surface is constant. COPYRIGHT: (C)2007,JPO&INPIT
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