Patents by Inventor Ryuki Wada

Ryuki Wada 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).

  • Work vehicle
    Patent number: 11498604
    Abstract: An annular member includes a first through hole extending through a first face to a second face forming the back face relative to the first face and having an inner face formed as a concave curved face and a tubular spherical inner ring having an outer face formed as a convex curved face extending along the inner face of the first through hole. The spherical inner face is pivotable and tiltable along the inner face of the first through hole. In a lock mechanism, the annular member is supported to a steering support mount with a support portion being fixed to the spherical inner ring of the annular member provided at the one end and the other end is pivotally supported to a vehicle body frame and supports a tilt lever.
    Type: Grant
    Filed: March 9, 2021
    Date of Patent: November 15, 2022
    Assignee: Kubota Corporation
    Inventors: Tomoyuki Ukai, Ryuki Wada, Naoya Otani, Takahiro Miyasaka
  • Work Vehicle
    Publication number: 20210284225
    Abstract: An annular member includes a first through hole extending through a first face to a second face forming the back face relative to the first face and having an inner face formed as a concave curved face and a tubular spherical inner ring having an outer face formed as a convex curved face extending along the inner face of the first through hole. The spherical inner face is pivotable and tiltable along the inner face of the first through hole. In a lock mechanism, the annular member is supported to a steering support mount with a support portion being fixed to the spherical inner ring of the annular member provided at the one end and the other end is pivotally supported to a vehicle body frame and supports a tilt lever.
    Type: Application
    Filed: March 9, 2021
    Publication date: September 16, 2021
    Inventors: Tomoyuki Ukai, Ryuki Wada, Naoya Otani, Takahiro Miyasaka