Patents by Inventor Syuhei Takasu

Syuhei Takasu 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).

  • Patent number: 4062150
    Abstract: A centerless grinding method and a device using same, in which: a work having a cylindrical stem portion and a flange portion is supported on a supporting plate; a regulating wheel is provided with a lead angle so as to feed the work in its axial direction; the regulating wheel is fed in the direction substantially perpendicular to the axis of the grinding wheel, with the axis of the regulating wheel being inclined in a manner the peripheral surface of the regulating wheel may be maintained in parallel with a given conical peripheral surface of the grinding wheel which has a square or right-angled edge in its cross section; and the aforesaid grinding wheel has peripheral surfaces consisting of two continuous frusto-conical surfaces; whereby the stem portion and an inner face of the flange portion of the work may be ground at the same time.
    Type: Grant
    Filed: September 8, 1976
    Date of Patent: December 13, 1977
    Assignee: Hitachi, Ltd.
    Inventors: Masami Masuda, Syuhei Takasu