| 摘要 |
PURPOSE: A roller ski of inline-board type is provided to improve the portability by varying a volume of a roller ski of inline-board type because the steering unit selectively is rotated in a shaft. CONSTITUTION: A roller ski of inline-board type comprises a connecting element, shafts(21), one or more caster unit, a connection blocks, and a sub steering pipe. Footing boards are installed in the shafts. One or more caster units are installed in one end of the shaft and the connection blocks are installed in the other end. The sub steering pipe connecting a handle bar and a front caster is inserted into the connection blocks so that a pair of shafts is connected to the sub steering pipe. The shafts are rotated around the sub steering pipe.
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