http://www.google.com/patents?id=VNJjAAAAEBAJ&printsec=abstract&zoom=4#v=onepage&q=&f=false
Also from APR issue V1N3: http://www.up-ship.com/eAPR/ev1n3.htm
The three-view is my reconstruction of the design, Source Grade 4.
Also from APR issue V1N3: http://www.up-ship.com/eAPR/ev1n3.htm
The three-view is my reconstruction of the design, Source Grade 4.