picture of rotation constrained magnet joint
http://img27.imageshack.us/img27/4627/cimg0120f.jpg
http://img27.imageshack.us/img27/8875/cimg2163.jpg
http://img249.imageshack.us/img249/9221/cimg0301.jpg

Of course the key to this working is the lubrication coating method on the steel inserts.


Jamison Bruch
MimixMotion.com