Patents by Inventor Hidetsugu Wakatsuki

Hidetsugu Wakatsuki 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).

  • Automatic precision lathe
    Patent number: 5207134
    Abstract: An automatic precision lathe is provided with a rotating main spindle movable in its axial directions, a slide movable in directions perpendicular to the axial directions of the main spindle, and a first subspindle and a second subspindle provided on the surface of the slide which faces the main spindle. The first and the second spindle are moved together with the slide to be alternately aligned with the main spindle to held the tip portion and the largest intermediate portion of the workpiece, respectively. The automatic precision lathe machines a workpiece having an intermediate portion with the largest diameter very accurately at a high rotational speed and at a large feed.
    Type: Grant
    Filed: January 21, 1992
    Date of Patent: May 4, 1993
    Assignee: Tsugami Corporation
    Inventor: Hidetsugu Wakatsuki