Patent ID: 8272424

Claim:
An ultrasonic welding assembly, comprising: (a) a sonotrode, wherein the sonotrode further includes at least one welding region and at least one node adjacent to the welding region; (b) a mount for supporting the sonotrode, wherein the mount further includes a force application region; (c) at least one ultrasonic transducer connected to the sonotrode for transmitting acoustic vibrations to the at least one welding region; (d) at least one roller connected to the sonotrode in a flexible manner for permitting rotation of the sonotrode about its axis; (e) a device connected to the roller for maintaining axial alignment of the sonotrode relative to a target welding area; and (f) at least one low-friction bearing in contact with the at least one node for the application of force thereto, wherein the at least one low-friction bearing is connected to the mount.