Internal Geneva Mechanism 31 August 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! The ratio of dwell period to motion period is 1/2. Angle of each rotation of the driven shaft is 120 degrees. « previous mechanism Interrupted Linear Motion next mechanism » Archimedean Drive load comments Please enable JavaScript to view the comments.