Patents Assigned to Waikei Trading Kabushiki Kaisha
  • Patent number: 4834462
    Abstract: A cutter for an impact-type cutting machine having a cutter shaft which is eccentrically provided on a drive shaft and is adapted to eccentrically rotate around the drive shaft axis. The cutter has an opening therein into which the cutter shaft is inserted with play therebetween. The hole in the cutter extends in the longitudinal direction of said cutter. A central portion of the hole substantially coincides with the center of gravity of the cutter.
    Type: Grant
    Filed: April 21, 1988
    Date of Patent: May 30, 1989
    Assignee: Waikei Trading Kabushiki Kaisha
    Inventor: Hiroyuki Yamashita