Geislinger coupling

The Geislinger coupling is an all-metal coupling for rotating shafts. It is elastic in torsion, allowing it to absorb torsional vibration.^[1]

Unlike some other coupling types, it is not intended to compensate for high radial misalignment between shafts, but it can compensate for axial misalignments better than elastomer couplings. The coupling may have a small ability to compensate for varying alignment, but if this is needed it is generally done through using an additional coupling in tandem. The coupling also runs at the same speed for input and output shafts, unlike a torque converter.