Multi-track rollers, such as roller skates, scooters, comprise base plate, rollers mounted on bearing blocks, transverse links, linkages, and swivel axles.

摘要

The multi-track pair of rollers comprises a base plate (2), accessories (8,8') and at least three rollers at least two (3,3') of which are each rotarily mounted on a bearing-block (4,4'). The two bearing blocks are joined to two parallel transverse links (5,6) by means of at least four linkages (7',7.7',7) in the form of a trapezoid or parallelogram linkage. The two transverse links turn on two fixed and parallel swivel axles (9,9').