Patent ID: 9688101
Date: 2017-06-27
CPC Classifications: B60C

Claim:
1. A tire comprising: a tread that contacts a road surface; a sidewall provided on an inner side of the tread in a tire radial direction; and a buttress portion provided between the tread and the sidewall, wherein a plurality of recessed portions are formed on the buttress portion along a tire circumferential direction, each of the recessed portions has: wherein the first outer edge is arc shaped and curved so as to bulge inward in the tread widthwise direction, the second outer edge is arc shaped and curved so as to bulge outward in the tread widthwise direction with respect to the first outer edge, a distance between a deepest portion of each of the recessed portions and a grounding end of the tread varies as proceeding along a tire circumferential direction, each of the recessed portions is in an elliptical shape and the plurality of the recessed portions continue in the tire circumferential direction, and each of the recessed portions is connected next to each other around a whole circumference of tire.