| 摘要 |
<p>The foldable bicycle is comprised of a frame divided into three hollow parts which are mutually hinged. In the front part, the front wheel, the fork and the handlebar can be folded and stored therein. In the central part the saddle and its support shaft can be slid down, and in the rear part can be stored the rear wheel, the chain, the crank gear and the pedals. When folded up the three parts of the frame have the shape of the storing bag. When the bag is opened the elements of the bike can be unfolded and locked into a riding position.</p> |
