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Hoecken linkage
Four-bar straight-line mechanism From Wikipedia, the free encyclopedia
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In kinematics, the Hoecken linkage (named for Karl Hoecken)[1] is a four-bar linkage that converts rotational motion to approximate straight-line motion. The Hoecken linkage is a cognate linkage of the Chebyshev linkage and Chebyshev's Lambda Mechanism.

Dimensions (unit length a):
Link 2: a
Link 3: any multiple of a
Link 1 (distance between ground joints): 2aThe linkage was first published in 1926.[2][3]
A generalization of the Hoecken linkage is Wittgenstein's rod.
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See also
- Chebyshev linkage and Chebyshev lambda linkage, linkages that produce a very similar locus without the need of a sliding joint.
- Straight line mechanism
- Four-bar linkage
References
External links
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