Patent ID: 8297902

Claim:
An eccentric adjustment element comprising: a rod having a longitudinal axis, and having a first section and a second section, exterior threads disposed on said first section and said second section of said rod, said rod having non-threaded, profiled sections disposed between said first section and said second section, wherein the exterior threads are closer to the longitudinal axis of the rod than are the non-threaded profiled sections on the first section and the second section; and eccentric discs which are engaged with the non-threaded, profiled sections of the rod, further comprising nuts which are threadably enagaged with the exterior threads which are disposed on said first section and said second section of said rod, wherein each of the nuts has a bore having an internal diameter which is greater than a diameter of the rod at which the non-threaded, profiled sections are disposed, further comprising an exterior hexagonal or exterior star-shaped force introducing device disposed proximate an end of the rod, wherein the force introducing device is smaller than the interior diameter of the thread of the corresponding exterior thread.