Patent ID: 11884107
Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A tire, comprising:
a tread portion,
wherein the tread portion is provided with a plurality of circumferential grooves extending in a tire circumferential direction and a plurality of land regions demarcated by the circumferential grooves,
the circumferential grooves include a first circumferential groove and a second circumferential groove adjacent to the first circumferential groove and having a width larger than a width of the first circumferential groove,
the land regions include a first land region demarcated between the first circumferential groove and the second circumferential groove,
the first land region is provided with a plurality of lateral grooves extending in a tire axial direction and a plurality of lateral sipes extending in the tire axial direction and each having a width smaller than a width of each of the lateral grooves,
a total value of the widths of the lateral grooves and the lateral sipes connected to the second circumferential groove is smaller than a total value of the widths of the lateral grooves and the lateral sipes connected to the first circumferential groove,
the lateral sipes include wide lateral sipes each having a width smaller than the width of each of the lateral grooves, and narrow lateral sipes each having a width smaller than the width of each of the wide lateral sipes,
the wide lateral sipes extend from the first circumferential groove and terminate within the first land region, and
the narrow lateral sipes include third narrow lateral sipes each connecting a respective one of the wide lateral sipes and the second circumferential groove.