Sarrus linkage

Animation of the Sarrus Linkage.
  Plates (can be any shape)
  Bars (can be at any angle with each other except a multiple of 180°)
A demonstration using planar links instead of bar links.

The Sarrus linkage, invented in 1853 by Pierre Frédéric Sarrus,[1] is a mechanical linkage to convert a limited circular motion to a linear motion or vice versa[2] without reference guideways. It is a spatial six-bar linkage (6R) with two groups of three parallel adjacent joint-axes.[3]

Although Charles-Nicolas Peaucellier was widely recognized for being the first to invent such a straight-line mechanism, the Sarrus linkage had been invented earlier; however, it was largely unnoticed for a time.[4]

  1. ^ Waldron, Kenneth; Kinzel, Gary; Agrawal, Sunil (2016). Kinematics, Dynamics, and Design of Machinery. West Sussex, UK: John Wiley & Sons. p. 367. ISBN 9781118933282.
  2. ^ Koetsier, Teun; Ceccarelli, Marco (2012). Explorations in the History of Machines and Mechanisms: Proceedings of HMM2012. Dordrecht: Springer Science & Business Media. p. 537. ISBN 9789400741317.
  3. ^ Ding, Xilun; Kong, Xianwen; Dai, Jian (2015). Advances in Reconfigurable Mechanisms and Robots II. Cham, Switzerland: Springer. p. 107. ISBN 9783319233260.
  4. ^ pergatory.mit.edu Archived 2007-02-10 at the Wayback Machine – Sarrus' mechanism