Patent ID: 9421826
Filing Date: 2016-08-23
CPC Classification: B60C

Claim Text:
1. A pneumatic tire comprising: a tread portion having a tread surface between its tread edges and provided along each said tread edge with a row of shoulder blocks, wherein said tread edges are axial outermost edges of a ground contacting region of the tire at a camber angle of 0 degrees under a normally inflated loaded condition such that the tire is mounted on a standard wheel rim and inflated to a standard pressure and loaded with a standard tire load; and the shoulder blocks formed by a circumferentially continuously extending shoulder main groove disposed on each side of the tire equator as an axially outermost main groove and a plurality of shoulder lateral grooves extending from said shoulder main groove to the adjacent tread edge, wherein in at least one of the rows of the shoulder blocks, each of the shoulder blocks is provided with: at least one sipe extending at an angle of not less than 60 degrees with respect to the tire circumferential direction and having a plane inclined with respect to a normal direction to the tread surface; a chamfered part having a surface being arc-shaped in a tire meridian section and smoothly connecting between the tread surface and a surface of a buttress part; and at least one protruding part protruding axially outwardly from said surface of the chamfered part, said protruding part having an upper surface extending axially outwardly from said tread edge and a side surface extending radially inwardly from an axially outer end of the upper surface, and the protruding part has a circumferential width of from 0.5 to 7.0 mm.