| 摘要 |
PROBLEM TO BE SOLVED: To enhance the detecting accuracy of longitudinal force acting on a tire. SOLUTION: A sidewall part 3 is provided with a projection part 12 projecting to the outside of the tire more than a convex circular arc-shaped sidewall reference curved surface 11, and thereby, an outside surface 3S of the sidewall part 3 is formed with a curved surface area 13 composed of a convex curved surface part 13A running along the sidewall reference curved surface 11 and a concave curved surface part 13B smoothly continuing via an inflection point PO with the inner end in the radial direction of this convex curved surface part 13A, forming a concave circular arc shape and forming a part of an outside surface of the projection part 12. A strain sensor 10 is arranged in an inflection point vicinal area Py in the curved surface area 13. COPYRIGHT: (C)2009,JPO&INPIT
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