US Patent 7296818 Combination of ski and ski binding

A combination of a ski and a ski binding wherein a long part extends in the longitudinal direction of a ski, the long part being fixed at one end and movable at the other end in response to movement of the ski, with a damping device having a fixed part fixed to the ski and a movable piston movable in response to bending of the ski, and an easily removable adapter device for changing the piston. The fixed part of the long part can be changed in length. Guiding structure can also be provided for guiding movement of the long part on the ski.