Patents by Inventor Hikaru Shirai

Hikaru Shirai 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).

  • Workpiece carrier means for surface grinding machine
    Patent number: 4856232
    Abstract: A workpiece carrier means for a surface grinding machine providing in a rockable carrier arm a revolving workpiece holder which holds plural workpieces, feeding the plural workpieces in between grinding wheels while simultaneously revolving them, providing an automatic limited revolution mechanism, the plural workpieces being simultaneously loaded on and unloaded from the revolving workpiece holder by means of a loading arm and an unloading arm having workpiece adsorption members; thereby accomplishing as fine finishing accuracy and an improved work efficiency at the same time.
    Type: Grant
    Filed: August 11, 1987
    Date of Patent: August 15, 1989
    Assignee: Daisyo Seiki Kabushiki Kaisha
    Inventor: Hikaru Shirai