Pulley 1 rotates about fixed axis A. Link 5 turns about axis A and is connected by turning pair B to pulley 3, identical to pulley 1. Endless flexible link 4 runs over pulleys 1 and 3. Rigidly attached to pulley 3 is planet gear 7 which meshes with sun gear 2. Gear 2 rotates about fixed axis C. Carrier 6 rotates about axis C and is connected by turning pair D to gear 7. When pulley 1 rotates at uniform speed, gear 2 can rotate at nonuniform speed and in either direction.
$3583$CFL,DF$