Lever 1 of the stacker turns about fixed axis A. Flexible link 2 is attached at point B to drum 9 which rotates about axis E of lever 1. Link 2 runs over pulleys 4 and 5 which rotate about fixed axes C and D. Flexible link 6 is attached at point F to drum 9 and runs over pulleys 7 and 8, rotating about fixed axes L and K, and freely suspended pulley 3 carrying weight 10. To raise pile 11, end a of link 2 is pulled in the direction shown by the arrow. Weight 10 counterbalances the weight of lever 1.
$3589$CFL,FD$