| 摘要 |
An exercise device includes two cranks rotatably coupled to a rear portion of a upright support and each having a pivot rod, two handles having a middle portion pivoted to a front portion of the upright support with a spindle, two foot supports pivotally coupled to the handles and each having a middle portion pivotally coupled to the pivot rod of the cranks with a link, and two levers pivotally coupled to the pivot rod and the handle and spaced away from the spindle for allowing the foot supports to be moved elliptically relative to the upright support of the base. The levers may be adjustably coupled to the handles with a motorized threaded member for adjusting the moving stroke of the foot supports.
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