After looking at your design, my idea will not work. The mount is not the same distance away from the pivot point throughout it's 90 degrees of movement. That means the cables would bind. Sorry my idea will not work.
thats kinda what i was thinin, but some heavy duty bungee cords will
![Cheesy :D](https://board.marlincrawler.com/Smileys/marlin/grin.gif)