Patent ID: 11865871
Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 12:
13. The tire according to claim 1, wherein
in each of the shoulder land regions, the shoulder lateral grooves and the shoulder lateral sipes are alternately arranged in the tire circumferential direction,
each of the shoulder lateral grooves is provided, at each of groove edges thereof, with a chamfer,
each of the shoulder lateral grooves is further provided with a groove bottom raised portion,
a groove depth d7 at the groove bottom raised portion is 30% to 50% of a maximum depth d6 of the shoulder lateral groove,
the groove bottom raised portion is provided with a groove bottom sipe,
a depth d8 of the groove bottom sipe from a radially outer surface of the groove bottom raised portion is 80% to 120% of the groove depth d7 at the groove bottom raised portion, and
a length L6 in the tire axial direction of the groove bottom raised portion is 5% to 15% of a width W3 in the tire axial direction of the shoulder land region.