Bent link 1 has slot b which slides along fixed pin B. Pin C of link 1 slides along fixed slot a. Slider 2 moves along the axis of slot c of link 1 and has pin A which simultaneously slides along slot c and fixe slot e. Slot f of link 2 slides along pin D of slider 3 which moves along fixed guides h. When pin C of link 1 slides along guides a, link 1 displaces sliders 2 and 3. Here y=x²/k and z=x³/k², where k is a constant dimension of the mechanism.
$1276$LG,MO$