Involute motion

Planar kinematic geometry - cyclic motions

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Specification of a motion

Involute motion is given by a circle line as a fixed centrode and a straight line as a moving centrode. Trajectories of moving points and envelopes of moving curves are called involutes. This motion is inverse to cycloidal motion.

Trajectory of a point (involute motion)

Envelope of a circle (involute motion)

Envelope of a straight line (involute motion)