Roberts linkage

Linkage generating approximate straight line motion
Animation of the Roberts Linkage

Dimensions:
Green Triangle = a, a, b (a are the longer sides)
Yellow Links = a
Horizontal Distance between Ground Joints = 2b

A Roberts linkage is a four-bar linkage which converts a rotational motion to approximate straight-line motion.[1]

The linkage was developed by Richard Roberts.[1]

The Roberts linkage can be classified as:

  • Watt-type linkage[1]
  • Grashof rocker-rocker[2]
  • Symmetrical four-bar linkage[3]

References

  1. ^ a b c Sangwin, C.J. "How to draw an approximate straight line!". Archived from the original on 2016-07-01.
  2. ^ "Roberts Straight Line Linkage". www.softintegration.com. Retrieved 2021-05-04.
  3. ^ "Chebyshev's Straight line Mechanism & Robert's Straight Line Mechanism". www.brighthubengineering.com. 2008-10-26. Retrieved 2021-05-04.

See also

  • Straight line mechanism
  • Four-bar linkage
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