Patents Assigned to Irri Oy
  • Automatic tool change
    Patent number: 5752904
    Abstract: A method for automatically removing a tool from a rotational shank shaft of a three-dimensional robot by indexing the shank shaft, disposing a tool tightening member provided in connection with the indexed shank shaft to a releasing device by movement of the robot, the releasing device being disposed during this operation inside the movement range of the robot; using the releasing device to release the tool; and removing the tool from the shank shaft of the robot by a movement of the robot.
    Type: Grant
    Filed: June 12, 1996
    Date of Patent: May 19, 1998
    Assignee: Irri Oy
    Inventor: Antero Irri