Patents Assigned to Yugen Kaisha Akashi Tekkosho
  • Drawing-in clamping device for chuck of lathe or the like
    Patent number: 4838562
    Abstract: In chucking, a workpiece is clamped while drawn to the chuck body for positive contact of the workpiece to stoppers, whereby a degree of machining accuracy is remarkably improved.
    Type: Grant
    Filed: March 4, 1988
    Date of Patent: June 13, 1989
    Assignee: Yugen Kaisha Akashi Tekkosho
    Inventor: Yuji Akashi