| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To allow a spring constant of a suspension spring to be changed easily and in a short time, regarding improvement of a front fork. <P>SOLUTION: A front fork includes an expandable/contractable suspension body that comprises an outer tube 1 and an inner tube 2 retractably inserted into the outer tube 1. The front fork also includes an external suspension spring S1 that is arranged in parallel outside the suspension body and biases the suspension body in an expanding direction while one end is supported to the inner tube side and the other end is supported to the outer tube side. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
