Connecting rod 1 is designed as triangular yoke ABC and is connected by turning pair D, at the middle of distance A͞B, to slider 2. Points A and B of connecting rod 1 describe portions of connecting-rod curves. At low values of ratio E͞C/C͞D the portions of the connecting-rod curves approximate straight lines coinciding with the axes of the cylinders. For the mechanism to operate, clearances must be provided in the kinematic pairs.
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