Patent ID: 7752739

Claim:
A riveting system comprising: a riveting tool including: (a) an electromagnetic actuator; (b) a transmission directly driven by the electromagnetic actuator; (c) a rivet-advancing member movable in response to actuation by the transmission; at least one electronic control unit electrically connected to the riveting tool, the electronic control unit being operable to control energization and deenergization of the electromagnetic actuator; a first pneumatically actuated, rivet-feeding tube; at least a second pneumatically actuated, rivet-feeding tube; a rivet-size selector located in a rivet transfer path between both of the feeding tubes and the riveting tool, the selector being automatically controlled by the electronic control unit; a self-piercing rivet movable along the first tube; at least two automotive vehicle workpieces joined together by the rivet; the rivet being prevented from piercing completely through all of the workpieces; and a robot, the riveting tool being mounted to the robot; and the electronic control unit recalling information about a specific joint to be worked on and then sending a signal to the selector as to a rivet size desired.