| 摘要 |
[Solution(s)] Inner middle-lateral grooves 15 include a first inner middle-inclined groove 16 that terminates within the inner middle land section 8 and a second inner middle-inclined groove 17 that terminates within the inner middle land section 8 while inclining in a direction opposite that of the first inner middle-inclined groove 16 and being arranged alternately with the first inner middle-inclined groove. Outer middle-lateral grooves 20 include a first outer middle-inclined groove 21 that terminates within the outer middle land section 9 and a second outer middle-inclined groove 22 that terminates within the outer middle land section 9 while inclining in a direction opposite that of the first outer middle-inclined groove 21 and being arranged alternately with the first outer middle-inclined groove. The total number of first and second outer middle-inclined grooves (21, 22) is set to be less than the total number of first and second inner middle-inclined grooves (16, 17). |
