Patent 9676067 was granted and assigned to Hyundai Motor Company on June, 2017 by the United States Patent and Trademark Office.
A spot welding apparatus may include a fixed welding machine coupled to a fixing frame having a mounting portion mounted on an arm of a robot, a guide plate mounted on the fixing frame, one or more moving welding machines mounted to be selectively and slidingly movable along a longitudinal direction of the guide plate, and an operating unit configured to selectively move the moving welding machine.