| 摘要 |
The present invention provides a device for a steered movement over the surface of a loose and hard medium such as snow, sand or another similar medium, comprising a support platform and a ski connected to the support platform by means of a steering device, wherein the ski is configured in the form of longitudinal runners flexible in the plane of the ski and assembled in a set, and the steering device is configured in the form of a front support and a rear support which are spaced along the longitudinal axis of the ski and ensure that the support platform can roll transversally relative to the ski, and two cross tie rods disposed at a section between the front support and rear support and configured so that they connect the lateral edges of the support platform to the unlike, opposite lateral edges of the ski section adjacent from below. |
