| 摘要 |
A wheeled personal transportation device, such as a skateboard or a scooter, that is convertible between a riding configuration and an inclined configuration. In the riding configuration the personal transportation device can roll on a rolling surface via two or more sets of wheels. In the inclined configuration, the personal transportation device can roll on a rolling surface via one of the sets of wheels for transporting either the transportation device itself or the transportation device in combination with lading.
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