Patent ID: 8360475

Claim:
A roller ski or board, said ski or board providing in-line central rollers that each rotate about an axis that is substantially co-planar with a roller ski or board body, and two pairs of additional rollers, respectively a front pair and a rear pair, said pairs of additional rollers being raised with respect to the ground on which said ski or board rests when the same ski or board is substantially parallel with respect to the ground, and contacting the same ground when ski or board is inclined, said ski or board being characterized in that each one of the additional rollers is coupled with the ski or board by a support system comprising a fork, having one end coupled with the roller and the other one coupled to the ski or board as an extension of the ski or board in a direction of a longitudinal axis of the ski or board, and wherein between the end of the fork faced toward the ski or board and the same ski or board being provided a resilient element.