| 摘要 |
<p>The present invention provides a platform step apparatus which has a platform step unit including a step portion which includes a platform base mounted on a platform; a housing portion disposed by being fixed to the platform base; a driving portion including a driving motor disposed in the housing portion; a step plate base operated by the driving portion to be operated inside the housing portion; and a foldable step plate portion mounted on the step plate base to be withdrawn outside the housing portion in accordance with the operation of the step plate base and to be folded on a flat surface parallel to a flat surface formed by the housing portion.</p> |
