×

PNEUMATIC TIRE

  • US 20180134095A1
  • Filed: 08/22/2017
  • Published: 05/17/2018
  • Est. Priority Date: 11/11/2016
  • Status: Active Grant
First Claim
Patent Images

1. A pneumatic tire comprising:

  • a shoulder land portion which extends in a tire circumferential direction; and

    a narrow groove which extends in the tire circumferential direction closer to a tire equator surface side than a ground contact end of the shoulder land portion and sections the shoulder land portion into a main land portion in the tire equator surface side and a sub land portion in the ground contact end side,the shoulder land portion and the narrow groove being provided in a tread surface,wherein a cross sectional shape of the narrow groove in a tire width direction comprises;

    a first groove portion which extends in parallel to the tire equator surface from the tread surface toward an inner side in a tire radial direction;

    a second groove portion which is provided closer to the inner side in the tire radial direction and the tire equator surface side than the first groove portion, and extends in parallel to the tire equator surface;

    a connection portion which is connected to an end portion of the first groove portion in the inner side in the tire radial direction and an end portion of the second groove portion in the tread surface side; and

    a groove bottom portion which is provided in an end portion of the second groove portion in the inner side in the tire radial direction and has a widened groove width by depressing a groove wall of the second groove portion in the sub land portion side.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×