Pulleys 1 and 2 are of equal diameter. Pulley 1 rotates about fixed axis A and, through flexible link 7, rotates pulley 2 about fixed axis B. Link 3, designed as a bent lever, is connected by turning pairs E, F and G to link 4, flexible link 7 and link 6. Link 4 turns about fixed axis D. Link 5 turns about fixed axis C and is connected by turning pair H to link 6. When pulley 1 rotates about axis A, links 3 and 6 have complex motions and links 4 and 5 oscillate about axes D and C.
$1911$FL,ML$