Retractable Device for Fluid Supply 06 November 2020, 19:35 Sorry, your browser doesn't support embedded videos, but don't worry, you can download it and watch it with your favorite video player! Sarrus linkage 3” in combination with helical hose « previous mechanism Interlocking Shafts next mechanism » Equalizing Clamping With Balls load comments Please enable JavaScript to view the comments.