The invention relates to mechanical engineering, namely to mechanisms with only one rotary pairs, and can be used in the mechatronic systems for reproducing the curves of complex shape. The technical result of the utility model is to increase the reliability of the design of the mechanism, with the preservation of complex trajectories rod by simplifying the mechanism. The technical result is reached by that in the mechanism, comprising a base 8 mounted thereon cranks 1 and 4, having the possibility of separately rotatable about a common axis A, and two connecting rods 2 and 3, is pivotally connected at one end between themselves and the other - with corresponding cranks 1 and 4, the shaft 7 of the crank 1 is rigidly connected with its actuator 6 and the hollow shaft 5 of the crank 4 is rigidly connected to its drive 12 via a pair of gears 9 and 10, the shaft 7 of the crank 1 is mounted on a hollow shaft 5 of the crank 4 is rotatably , which in turn is Installed n based on 8 rotatably relative to one another, indicating complicated movements crank 2. 1 n.p.f. and., 1 fig.
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