| 摘要 |
A folding collapsbile step exerciser including a base frame, a front upright pivoted to a front side of the base frame and locked in a vertical position by lock means, a driving wheel having a fixed wheel shaft revolvably supported on the base frame, a damping wheel turned with the driving wheel, a damping device adapted to impart a damping resistance to the damping wheel, two pedals, two rear pedal links respectively coupled between rear ends of the pedals and two opposite ends of the fixed wheel shaft of the driving wheel, two front pedal links having a respective bottom end pivoted to a front end of one pedal and a respective top end coupled to the front upright by a slip joint and a respective middle part fixedly mounted with a pivot, and two handlebars respectively turned about the pivots of the front pedal links and a having a respective bottom end pivoted to the base frame.
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