Patents by Inventor Shigemi Inagaki

Shigemi Inagaki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Industrial robot
    Patent number: 4289441
    Abstract: An industrial robot, having a robot hand mounted on a vertically movable body which is vertically moved by a vertical feed motor being provided with a load reducing means which includes a cylinder means for applying a constant upward force to the vertically movable body during the vertical movement of the body. The upward force contributes to reducing a load applied to the vertical feed motor.
    Type: Grant
    Filed: September 18, 1979
    Date of Patent: September 15, 1981
    Assignee: Fijutsu Fanuc Limited
    Inventors: Hajimu Inaba, Shigemi Inagaki
  • Automated device
    Patent number: 4274802
    Abstract: An automated device comprising an arm, a supporting case mounted on the end of the arm, a rotary actuator mounted on the end of the supporting case and a wrist with a hand rotatably held by the rotary actuator, wherein the rotary actuator has a replaceable stopper on the shaft thereof, and the supporting case has a pair of static members for setting the rotational range of the stopper. In the device, the rotary actuator stops rotating at two positions, i.e., the hand stops rotating at two positions.
    Type: Grant
    Filed: January 23, 1979
    Date of Patent: June 23, 1981
    Assignee: Fujitsu Fanuc Limited
    Inventors: Hajimu Inaba, Shigemi Inagaki