Patent ID: 8082966

Claim:
An ultrasonic welding assembly, comprising: (a) a sonotrode, wherein the sonotrode further includes a single welding region and two nodal regions formed on either side of the welding region; (b) a mounting plate for supporting the sonotrode, wherein the mounting place further includes a force application region on the upper surface thereof; (c) at least one ultrasonic transducer connected to the sonotrode; (d) at least one diaphragm spring disposed between the ultrasonic transducer and the sonotrode; (e) at least one roller bearing connected to the diaphragm spring; (f) at least two linear guides connected to the roller bearing, wherein the at least two linear guides are connected to the mounting plate and support the roller bearing and the sonotrode in a flexible manner; and (g) first and second low-friction linear bearings in contact with nodal regions on either side of the welding region of the sonotrode for the application of force thereto, wherein the first and second linear bearings are connected to the mounting plate.