| 摘要 |
The present invention relates to an extendable bicycle comprising: (a) at least two wheels (100,500), each having an axis (120), and each capable of rotating around its own axis; (b) an extendable handle bar (200) for steering said extendable bicycle; (c) an extendable chair (400); and (d) an extendable frame (300) for pivotally holding said two wheels, and for supporting said extendable handle bar and said extendable chair, where the extendable frame can be extended from a first configuration to at least a second configuration for extending the length between said axes of said at least two wheels. |
