Spring Toggle Mechanism 03 August 2019, 19:30 Sorry, your browser doesn't support embedded videos, but don't worry, you can download it and watch it with your favorite video player! Spring toggle mechanism enables to reach end positions of a lever quickly and holds it there firmly. The pink double crank represents action from outside. « previous mechanism Gear Box of Sheet Metal Bevel Gears next mechanism » Trailer Leveler load comments Please enable JavaScript to view the comments.