Geneva Mechanism 30 January 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! The ratio of motion period to dwell period is 1/3. Angle of each rotation of the driven shaft is 90 degrees. « previous mechanism Universal Joint of Links next mechanism » Ratchet Mechanism load comments Please enable JavaScript to view the comments.