Patents by Inventor Kanami Katoh

Kanami Katoh 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).

  • Spot welding head
    Patent number: 5880424
    Abstract: A spot welding head comprises a spot electrode 6, a spot electrode supporter 3 holding the electrode 6 on its tip, a base member 2 holding the supporter 3 in such a manner that the supporter 3 can swing on a first pin 4, a frame 1 holding the base member 2 in such a manner that the member 2 can swing on a pivot pin 14 as a second pin, a guide 17 for guiding the base member 2 relative to the frame 1 in such a manner that the member 2 can slide longitudinally, a first actuator 5 connected at its one end to the supporter 3 for swinging the supporter 3 relative to the base member 2 when a steel strap is spot-welded, and a second actuator 9 connected at its one end to the frame 1 and at its other end to the base member 2 for swinging or sliding the member 2 relative to the frame.
    Type: Grant
    Filed: March 17, 1997
    Date of Patent: March 9, 1999
    Assignee: Illinois Tool Works Inc.
    Inventor: Kanami Katoh