Patents Assigned to Toyama Machine Works, Limited
  • Balancing device
    Patent number: 4517853
    Abstract: A balancing device which may be used in an industrial robot includes a feed screw for moving a robot arm in one direction. The arm and its associated mechanisms impart a torque to the screw which is a load on the drive motor. A balancing feed screw is connected to the main screw and, under the influence of a controlled pressure fluid driven piston, serves to balance the load.
    Type: Grant
    Filed: February 12, 1982
    Date of Patent: May 21, 1985
    Assignee: Toyama Machine Works, Limited
    Inventors: Shigetaka Tani, Toshio Nagahara