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Hoecken's Straight-line Mechanism

This mechanism is a four-bar mechanism that generates a trajectory with an approximately rectilinear section. Move the Point A (Blue Point) and observe the movement of the point P (Red Point).

It´s a mechanism akin to the mechanism of Chevyshev. But it has a peculiarity, the main bar slides into a clamp. L3=L4=L5=2,5L2 L1=2L2