| 摘要 |
PROBLEM TO BE SOLVED: To provide a pneumatic tire capable of enhancing wearing life while maintaining operation stability at dry and wet to a similar level to the conventional one. SOLUTION: In the pneumatic tire, a tire rotation direction R is designated in one direction. Left and right main inclination grooves extending over a tread ground-contact end E in a curved shape becoming a projection-like shape in a tire counter-rotation direction at predetermined curvature while inclined in the tire counter-rotation direction from an origin A at a tread central side toward an outer side in a tread width direction are arranged at left and right areas 1A, 1B at both sides of a tread center line XL of a tread surface at a predetermined pitch while deviated in a tire circumferential direction TC at the left and right areas 1A, 1B. At a tire rotation direction R side of the left and right main inclination grooves 2, a sub-inclination groove 3 extending from the origin A toward an outer side in a tread width direction while inclined in a tire counter-rotation direction is provided. COPYRIGHT: (C)2008,JPO&INPIT |
