Pulleys 1 and 2 rotate about fixed axes A and B. Two identical pulleys 3 rotate about axes C of slide 5 which reciprocates along fixed guide a. Endless flexible link 4 runs over pulleys 1, 2 and 3. When pulley 1 rotates, pulleys 2 and 3 rotate about their axes and slide 5 with pulleys 3 can travel with any kind of motion along guide a.
$3569$CFL,DF$