Patent ID: 11958318
Assignee: THE YOKOHAMA RUBBER CO., LTD.
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 5:
6. The pneumatic tire according to claim 1, wherein
a distance between a boundary portion between each of short portions and each of long portions of groove walls of the second main grooves and an end portion, lying adjacent to the tire equatorial plane, of each of the second lug grooves ranges from 1.0 times or more to 4.0 times or less of a length of each of the short portions in the tire circumferential direction, and
the boundary portion lies within a range of ±5 degrees of a direction from one of midpoints of the groove width of each of the second lug grooves, at the end portion of each of the regions X ranging from 90% or more to 110% or less of a ground contact width centered around the tire equatorial plane, the end portion lying adjacent to the tire equatorial plane, to the end portion, lying adjacent to the tire equatorial plane, of each of the second lug grooves.