Centrode
![](../I/m/Four-bar_fixed_and_moving_centrodes.gif)
Fixed and moving centrodes of a four-bar linkage.
Centrode in kinematics is the path traced by the instantaneous center of rotation of a rigid plane figure moving in a plane.
References
Homer D. Eckhardt Kinematic Design of Machines and Mechanisms, McGraw-Hill (1998) p. 63 ISBN 0-07-018953-6.