| 摘要 |
A self-propelled roller skate device comprising two units disposed in parallel, each unit being supported on front and rear pairs of wheels, each of the units includes at least one propulsion system, a steering system mounted on a support and holding structure, a power generation and storage system mounted independently of each of the units, and a remote control operatively coupled with and acting on each of the units and the power generation and storage system. The steering system includes a deformable parallelogram arrangement which converts pivoting movement of a sole-piece about a longitudinal axis into movement for turning the front wheels of the unit.
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