This is not at all what I expected from the headline of the thread! lol!!
Hope this insanely long link works: http://books.google.com/books?id=iP4iAQAAMAAJ&pg=PA912&lpg=PA912&dq=%22Torbensen+axle%22&source=bl&ots=2WfPRhnhPt&sig=ye7Ch5Tu_fEW807z6pEdnI3wfn4&hl=en&ei=v5RvTre1FKfE0AHNs5iWCg&sa=X&oi=book_result&ct=result&resnum=8&ved=0CEcQ6AEwBw#v=onepage&q=%22Torbensen%20axle%22&f=false
Anyway...I searched the Torbensen axle, found this on Google Books as one result, and ended up at about page 915...it is from IHC and is neatly illustrated there!
Look up Torbensen axle, It looks like one