Frame 1 slides in fixed guides p-p. Link 2 is connected by turning pair A to frame 1 and moves in slider 3 which rotates about fixed axis 0. Sliders 4 and 5 are connected together by turning pair K. Slider 4 moves along the axis of link 2, and slider 5 moves along side b of frame 1. When frame 1 moves along guides p-p, point K describes a hyperbola whose equation is y=xa/(d-x) where a = distance of point A from axis x-x of guides p-p, d = distance between the vertical sides of frame 1.
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