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.
The linkage was developed by Richard Roberts.
The Roberts linkage can be classified as: