| 摘要 |
<p>In the present invention, disclosed is a pantograph including a power supply unit which is extended in the driving direction of equipment outside the equipment, a current collecting unit whose one side is in contact with the power supply unit, and a driving unit which is combined to the current collecting unit to move the current collecting unit in a direction across the driving direction. The pantograph supplies power to the equipment which drives in one direction. The present invention prevents the local abrasion of the current collecting unit by moving the current collecting unit in the direction across the driving direction when the equipment drives.</p> |
