Wolfram Demonstrations Project

The Demonstration provides two linkages to convert circular motion to linear motion.

Peaucellier's mechanism was discovered in 1864. It has seven rods and converts circular motion of the point

to linear motion of the point

Hart's linkage was discovered in 1875. It is a five-link mechanism that converts circular motion of

to linear motion of

E. D. Demaine and J. O'Rurke, Geometric Folding Algorithms, New York: Cambridge University Press, 2007 pp. 30–42

Contributed by: Izidor Hafner

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Peaucellier's and Hart's Inversor