Repeating Shape Patents (Class D12/507)
  • Patent number: 8522845
    Abstract: Provided is a pneumatic tire which is capable of securing a driving stability on dry road surfaces and concurrently of improving snow performance without worsening its pattern noise. The pneumatic tire includes four main grooves each extending in its tread part in a tire circumferential direction, and the four main grooves partition the tread part into: a center land part; paired intermediate land parts located with the center land part being interposed in between; and paired shoulder land parts located with the center land part and the paired intermediate land parts being interposed in between. Each of the intermediate land parts and the shoulder land parts includes multiple V-shaped grooves each configured of: a thick groove part extending in a tire width direction; and a thin groove part extending in the tire circumferential direction.
    Type: Grant
    Filed: October 13, 2008
    Date of Patent: September 3, 2013
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventor: Tetsuo Ikegami
  • Patent number: D774443
    Type: Grant
    Filed: August 26, 2014
    Date of Patent: December 20, 2016
    Assignee: THE YOKOHAMA RUBBER CO., LTD.
    Inventor: Tsuyoshi Yaegashi