Patents Assigned to Rotopack Tools Pty. Limited
  • Patent number: 4563923
    Abstract: An improved impact tool is disclosed for application of impact torque. The described tool comprises a shaft defining an axis for rotation of the tool. The impact tool includes a transversely extending striker bar mounted for rotation about the axis, one or more anvils connected to the shaft and mounted in the path of the striker bar, and a pair of spaced parallel plates connected to the shaft and between which the anvil or anvils are mounted. Preferably, the plates are circular and are mounted eccentrically with respect to the shaft.
    Type: Grant
    Filed: August 15, 1983
    Date of Patent: January 14, 1986
    Assignee: Rotopack Tools Pty. Limited
    Inventor: Douglas A. McDonald