Coupling Articulation

Coupling to connect 2 railway cars in a so-called Jacob bogie.

Joining two vehicle units allows axial movement & conical rotation when cornering. It copes with longitudinal movements resulting from traction & braking forces as well as lateral movements arising.

Coupling Articulation


  • No wear
  • Very long lifetime
  • Defined axial and radial stiffness
  • Works together with the crashbox in case of accident
  • For high-speed trains


  • Load capability 200kN
  • Axial stiffness >100kN/mm
  • Able to withstand 400kN in radial direction
  • Diameter 400mm