Patent ID: 9505270
Filing Date: 2016-11-29
CPC Classification: B60C

Claim Text:
1. A pneumatic radial tire comprising: a directional pattern specifying a rotation direction of the tire; at least one lateral groove provided in a tread surface of the tire extending from a tread end to the inside, in the width direction, of a widthwise midpoint P of a tread half having the tread end; a circumferential groove extending on a tire equatorial plane in a tread circumferential direction; and at least one transverse groove that extends outwardly from the circumferential groove in the tread width direction and remains within the tread surface without crossing any other groove, wherein a groove wall on only a kicking-out side of the at least one lateral groove has a single protruding portion, the protruding portion protrudes toward a groove wall on a stepping side, with reference to a point Q representing a midpoint in a tread width direction between the tread end and the widthwise midpoint P, the protruding portion extends in the tread width direction from a position between the point P and the point Q to the inside of the point P in the width direction, and the lateral groove at least partially overlaps the transverse groove when projected in a tire circumferential direction.