| 摘要 |
A treadmill frame rotationally supporting spaced apart rollers in turn rotatingly engaging a treadmill belt for revolving around the rollers and a motor frame pivotally engaged with the treadmill frame, the frame supporting a drive motor providing rotation of the treadmill belt. An upright frame in a simple rectangular shape with side struts pivotally engaged with the motor frame and a lower lateral struts positioned below the motor frame in a position for resting on a supporting surface. The treadmill frame, motor frame, upright frame and a support strut rotatable about pivots so as to set a treadmill inclination.
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