Link 1, designed as a complex lever, is connected by turning pairs A and B to pulleys 2 and 7, of equal diameter. Flexible link 8 runs over the pulleys and is rigidly secured at points K and Q to the base. Link 5 is connected by turning pairs C and D to links 1 and 6. Link 4 is connected by turning pairs H and G to links 1 and 3. Link 3, designed as a bent lever, turns about fixed axis F and is connected by turning pair E to link 6. When link 1 has straight translational motion, pulleys 2 and 7 roll along flexible link 8, imparting complex motion to links 4, 5 and 6, and link 3 oscillates about axis F.
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