Patents by Inventor Nobuharu Miyamoto

Nobuharu Miyamoto 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).

  • Operating method for machine tool table operating device
    Patent number: 6021560
    Abstract: This invention relates to a table operating device for a machine tool having a table on which a work is mounted and a table lifting means for supporting the table and for vertically moving the table. The table operating device according to this invention has a vertically extended clamping member disposed underneath the table, a first reference plane provided on a side to the clamping member for positioning the table in a first direction on a horizontal plane; a second reference plane provided on a side to the clamping member for positioning the table in a second direction on the horizontal plane; a first pressing member for pressing the clamping member to the first reference plane; and a second pressing member for pressing the clamping member to the second reference plane.
    Type: Grant
    Filed: April 27, 1999
    Date of Patent: February 8, 2000
    Assignee: Shinnippon Koki Kabushiki Kaisha (Shinnippon Koki Co., Ltd.)
    Inventors: Nobuharu Miyamoto, Shinji Nakano
  • Table operating device for machine tool and operating method for the same
    Patent number: 5921533
    Abstract: This invention relates to a table operating device for a machine tool having a table on which a work is mounted and a table lifting means for supporting the table and for vertically moving the table. The table operating device according to this invention has a vertically extended clamping member disposed underneath the table, a first reference plane provided on a side to the clamping member for positioning the table in a first direction on a horizontal plane; a second reference plane provided on a side to the clamping member for positioning the table in a second direction on the horizontal plane; a first pressing member for pressing the clamping member to the first reference plane; and a second pressing member for pressing the clamping member to the second reference plane.
    Type: Grant
    Filed: September 29, 1997
    Date of Patent: July 13, 1999
    Assignee: Shinnippon Koki Kabushiki Kaisha
    Inventors: Nobuharu Miyamoto, Shinji Nakano