Spatial Parallelogram Mechanism 05 January 2020, 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! It is an application of double Cardano joints.The direction of upper disk is kept unchanged and its surface is kept always horizontal. Each point of the disk moves on a spherical surface. « previous mechanism Clamping a Drill Bushing Bracket next mechanism » Spring Toggle Mechanism load comments Please enable JavaScript to view the comments.