Patents by Inventor Yasuhiro Shioda

Yasuhiro Shioda 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).

  • Accumulator piston having a coil spring secured thereto
    Patent number: 4881725
    Abstract: Herein disclosed is an accumulator for suppressing an abrupt rise in and suppressing the pressure of a fluid. In this accumulator, a coil spring for urging a piston fitted in a cylinder in the axial direction thereof is secured on the pistion by securing it on one side of a plate and by securing the plate on the piston. The plate is formed with a cylindrical nub, on which is fitted on turn of the coil spring. This coil spring is secured on the plate by deforming the nub radially outward to trap that one turn of the coil spring. The plate in turn is secured in a bottomed cylindrical hollow portion which is formed in the piston.
    Type: Grant
    Filed: February 17, 1988
    Date of Patent: November 21, 1989
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Yasuhiro Shioda, Shinya Nakamura, Makoto Funahashi, Seitoku Kubo