Patents by Inventor Takushi TAKAMURA

Takushi TAKAMURA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Transmission
    Patent number: 10066747
    Abstract: A transmission includes a gear shift set including a shift gear and a switching mechanism, and another gear shift set including a shift gear and a switching mechanism. At a side face of the lower shift gear, dogs are provided to protrude. The switching mechanism includes a first ring configured to rotate integrally with a shaft, a second ring configured to rotate integrally with the first ring, and an elastic member connecting the first ring and the second ring. The first ring includes first projection portions, and a first abutment portion allowing a shift member to abut thereon. The second ring includes second projection portions, and a second abutment portion allowing the shift member to abut thereon.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: September 4, 2018
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA MOTORSPORT GMBH
    Inventors: Shinichi Takeuchi, Lars Van Leeuwen, Takushi Takamura
  • TRANSMISSION
    Publication number: 20170051811
    Abstract: A transmission includes a gear shift set including a shift gear and a switching mechanism, and another gear shift set including a shift gear and a switching mechanism. At a side face of the lower shift gear, dogs are provided to protrude. The switching mechanism includes a first ring configured to rotate integrally with a shaft, a second ring configured to rotate integrally with the first ring, and an elastic member connecting the first ring and the second ring. The first ring includes first projection portions, and a first abutment portion allowing a shift member to abut thereon. The second ring includes second projection portions, and a second abutment portion allowing the shift member to abut thereon.
    Type: Application
    Filed: August 18, 2016
    Publication date: February 23, 2017
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA MOTORSPORT Gmbh
    Inventors: Shinichi TAKEUCHI, Van Leeuwen LARS, Takushi TAKAMURA