also: パントグラフ
noun
pantograph
Refers to the device on electric trains that collects power from overhead wires, or to a mechanical linkage used for copying drawings at scale.
電車のパンタグラフが架線から離れると火花が出ることがある。
When the train's pantograph separates from the overhead wire, sparks can sometimes fly.
製図用のパンタグラフ
I used a drafting pantograph to enlarge and copy the map.