Patent ID: 8640750
Filing Date: 2014-02-04
Classification: B60C

Abstract:
1. A pneumatic tire comprising a tread portion provided with a pair of axially outermost shoulder main grooves extending continuously in the tire circumferential direction; at least one crown main groove extending continuously in the tire circumferential direction and disposed between the axially outermost shoulder main grooves; a pair of shoulder land portions extending between the axially outermost shoulder main grooves and tread edges; and a pair of crown land portions extending from the axially outermost shoulder main grooves to the adjacent crown main groove or grooves, wherein each said shoulder land portion is circumferentially divided into a plurality of shoulder blocks divided by shoulder axial grooves extending across the entire width of the shoulder land portion, and the shoulder axial grooves include: wherein each said crown land portion is circumferentially divided into a plurality of crown blocks by crown axial grooves extending across the entire width of the crown land portion, and the crown axial grooves include: wherein each said crown land portion is provided between every two circumferentially-adjacent crown axial grooves with a narrow crown circumferential groove so as to axially divide the crown block into two, wherein each of the first and second crown axial grooves is a bent groove made up of: wherein said shoulder blocks and said crown blocks are each provided with a plurality of zigzag sipes.