Patents by Inventor Mikio Hashii

Mikio Hashii 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).

  • Eccentric facing unit
    Patent number: 6565298
    Abstract: An eccentric facing unit wherein a tool driving shaft is concentrically disposed in a spindle for relative rotation with respect to the spindle. A tool-shaft supporting shaft is eccentrically disposed in a spindle and is connected with the tool driving shaft through a geared transmission so as to rotate at speed two times faster than that of the tool driving shaft. A tool shaft is eccentrically disposed in the tool-shaft supporting shaft in an eccentricity equal to that of the tool-shaft supporting shaft with respect to the spindle and is connected through an Oldham's shaft coupling with the tool driving shaft for integral rotation therewith.
    Type: Grant
    Filed: November 5, 2001
    Date of Patent: May 20, 2003
    Assignee: Yamashina Seiki Co., Ltd.
    Inventors: Yoshitaka Ishida, Mikio Hashii
  • Eccentric facing unit
    Publication number: 20020189412
    Abstract: An eccentric facing unit wherein a tool driving shaft is concentrically disposed in a spindle for relative rotation with respect to the spindle. A tool-shaft supporting shaft is eccentrically disposed in a spindle and is connected with the tool driving shaft through a geared transmission so as to rotate at speed two times faster than that of the tool driving shaft. A tool shaft is eccentrically disposed in the tool-shaft supporting shaft in an eccentricity equal to that of the tool-shaft supporting shaft with respect to the spindle and is connected through an Oldham's shaft coupling with the tool driving shaft for integral rotation therewith.
    Type: Application
    Filed: November 5, 2001
    Publication date: December 19, 2002
    Inventors: Yoshitaka Ishida, Mikio Hashii