| 摘要 |
A pneumatic tire is provided in which hydroplaning performance, transverse slipping performance on snow, straight forward traveling stability, and the like are maintained by a pair of circumferential grooves. A large number of second blocks and center blocks are formed, by a large number of transverse grooves, in a center tread region positioned between the pair of circumferential grooves. A reinforcing portion is provided at the center block. This reinforcing portion faces, in a circumferential direction, the second block with a narrow transverse groove therebetween. Another reinforcing portion is provided at an end portion of the second block. This reinforcing portion faces, in the circumferential direction, the center block with a narrow transverse groove therebetween. Each block is reinforced by the reinforcing portion provided integrally therewith. When a block receives load in a direction of deformation, the block abuts and is supported by the reinforcing portion of a block adjacent thereto. Thus, even if a number of transverse grooves is increased, deformation is suppressed. Accordingly, good off-road performance, on-snow performance, and on-road traveling performance can be obtained.
|
