| 摘要 |
The frame of the new type of roller skates is injection molded all in a piece of an elastic synthetic material and reinforced with fiber glass. The long horizontal part (7) and the two vertical support parts (3,9) act as leaf springs, facilitating the user to skate comfortably on uneven surfaces, even on cobble stones, or to jump similar to the rider of a skate board. The vertical support elements (3,9) are extremely torsion resistance because of their curved shape. Boots (1) are joined to the holding elements (2,2b), positioned on top of the support parts (3,9).
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