Pulleys 1 and 7 rotate about fixed axes A and B. Pulleys 2 and 5 rotate about axis C of slide 8 which reciprocates in fixed guide a. Pulleys 3 and 6 rotate about axes D and E of slider 9 which reciprocates in fixed guide b. Endless flexible link 4 runs over pulleys 1, 2, 3, 5, 6 and 7. When pulley 1 rotates about axis A, all the other pulleys rotate about their axes, and slides 8 and 9 can travel in guides a and b with any kind of motion.
$3572$CFL,DF$