| 摘要 |
The present invention discloses a set of wheels for both walking and skating which includes a wheel with ball-bearing; a spindle; a turning bar; a composite turning gear; a base frame; a pinboard; a plug pin; a torsion bar spring; a spring and a button. The wheel of the present invention is located accurately by using a plug pin. As the button is connected with the spindle, the wheel can be turned self-actively to the position for operating by return force of torsion bar spring while pressing the button. Therefore, the operation for placing a set of wheels from walking to skating is simplified.
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