| 摘要 |
An operator powered skateboard including a platform, a drive assembly mounted to the platform about a pivot axis for axial displacement. The drive assembly including an external power assembly engaging a skateboard axle for causing rotation of the axle in one direction and a handle connected to the external power assembly for selectively engaging the power assembly. The skateboard including at least two pairs of wheels, one pair connected to the drive assembly, the other pair mounted to the platform about a second pivot axis for independent axial displacement.
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