| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a tricycle with high safety and security different for a conventional bicycle and tricycle by ubiquitous and nano-technologies. <P>SOLUTION: In the tricycle, cushion property is imparted to two wheels at the front side of a rear wheel to make it to a battery driving electric type vehicle. A rear load-carrying platform is provided. The tricycle is provided with collision sensing force by up-to-date technology of a light emission body or the like for safety by ubiquitous and nano-technologies. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
