PNEUMATIC TIRE

摘要

A pneumatic tire includes a tread portion provided with a circumferentially extending zigzag shoulder main groove arranged proximate to a tread edge, and a plurality of shoulder lateral grooves each extending axially outwardly from the shoulder main groove. Each of the shoulder lateral grooves includes a first portion and second portion. The first portion includes a first groove wall and an axially inner end connected to the shoulder main groove. The second portion is arranged axially outward of the first portion and includes a second groove wall. The second portion has a groove width and a groove depth greater than those of the first portion. The first groove wall of the first portion and the second groove wall of the second portion are smoothly continued.

主权项

1. A pneumatic tire comprising:
a tread portion having a tread edge;
the tread portion provided with a circumferentially extending zigzag shoulder main groove arranged proximate to the tread edge, and a plurality of shoulder lateral grooves each extending axially outwardly from the shoulder main groove;each of the shoulder lateral grooves comprising a first portion and second portion;the first portion having an axially inner end connected to the shoulder main groove and a first groove wall;the second portion arranged axially outward of the first portion and having a second groove wall, the second portion having a groove width and a groove depth greater than those of the first portion; andthe first groove wall of the first portion and the second groove wall of the second portion being smoothly continued.