The mechanism contains a RRR kinematic chain connected in parallel with a four bar linkage. The kinematic chain RRR´s joints are connected with the crank and the coupler of the four bar linkage. By means of changing the geometrical lengths of the mechanism´s links, the coupler point M describes a range of coupler curves.
The file was generated with the CAD software ProEngineer for the geometrical dimensions: x = 686 mm, y = 686 mm, l2 = 150 mm, l2´= 75 mm, l3 = 690 mm, l3´ = -170 mm, l4 = 530 mm, l5 = 700 mm, l5´= 700 mm, l6 = 680 mm.