Chain Drive 30 August 2017, 13:00 Sorry, your browser doesn't support embedded videos, but don't worry, you can download it and watch it with your favorite video player! This mechanism is applied in lifting trucks. The violet fork moves two times faster than the green piston. « previous mechanism Penta-Folding Gate next mechanism » Transmission With Teeth-Uncompleted Gears load comments Please enable JavaScript to view the comments.