| 摘要 |
<p>An apparatus including a frame; a drive wheel coupled to the frame; a first and a second foot link operably coupled to drive wheel to transfer power to said drive wheel so as to propel the apparatus, each including a foot receiving portion for receiving an operator's foot, a front end, and a rear end; and an adjustable stride length mechanism operable to change a stride length of an operator's foot positioned on the foot receiving portion of the foot link.</p> |
