Patent ID: 6374884
Filing Date: 2002-04-23
Classification: B60C,Y10S

Abstract:
A heavy duty tire comprisinga pair of axially outermost circumferential rows of shoulder blocks disposed in a tread, each of the shoulder blocks provided with a single circumferentially extending narrow groove, the narrow groove subdividing the shoulder block into an axially inner wide main part and an axially outer narrow lateral part, and the narrow groove having a substantially constant width of from 1.5 to 3.0 mm and comprising a convexly curved portion in a substantially middle region of the shoulder block with respect to the circumferential direction, the circumferential length of the convexly curved portion being not less than 50% of the circumferential length of the narrow groove so that said narrow lateral part is narrower in said middle region of said narrow lateral part than in both circumferential end regions of said narrow lateral part in the circumferential direction.