Double Cam Mechanism 05 September 2017, 19:00 Sorry, your browser doesn't support embedded videos, but don't worry, you can download it and watch it with your favorite video player! A combination of disk cam and barrel cam. The disk cam moves green follower. The barrel cam moves yellow follower. A point of the yellow follower traces the orange rectangle that is used for moving film in cameras. « previous mechanism Toggle Clamp next mechanism » Positioning Device load comments Please enable JavaScript to view the comments.