Round Rack Jack 08 March 2022, 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! Red pawl pushes yellow rod up when pushing blue lever down. Orange pawl prevents the rod from falling during the red pawl return. « previous mechanism Machine Tool Fixture next mechanism » Application of Rack Pinion Mechanism load comments Please enable JavaScript to view the comments.