Artificial roller ski track - has many rollers comprising two truncated-cone sections with cylindrical one between

摘要

The artificial ski track comprises two parallel rows of rollers close together. Each roller comprises two truncated-cone sections (5) and a cylindrical one (6) between them on a common spindle. The cylindrical section diameter is the same as that of the small ends of the cone ones, these being mounted with these ends towards it. There can be two cylindrical sections alongside each other on each spindle, on which the sections can be arranged to turn independently of each other. USE/ADVANTAGE - Artificial ski track of simple construction and high resistance to damage.