| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a double-drive electric bicycle capable of safely traveling on a general road and a C-shaped monorail track by fitting a traveling body to inner sides of two drive wheels of an existing bicycle or the electric bicycle, and switching a supporting frame. SOLUTION: An electric motor M, the traveling body, the supporting frame foldable at 90 deg., and the C-shaped monorail track C are combined with the inner sides of the two drive wheels.</p> |
