Bi-Folding Gate 12 September 2017, 22:00 Sorry, your browser doesn't support embedded videos, but don't worry, you can download it and watch it with your favorite video player! Orange conrod, green and upper yellow cranks create a parallelogram mechanism. There is a 4-bar linkage of the pink conrod that connect green and blue panels. « previous mechanism Friction Sphere Variator next mechanism » Vibration Table load comments Please enable JavaScript to view the comments.