PROBLEM TO BE SOLVED: To suppress entry of snow into a hinge part without size increase of the hinge part for connecting upper and lower frames.SOLUTION: A pantagraph 1 is formed into a single arm shape by connecting an upper frame 2 and a lower frame 3 in a turned V-shape with a hinge part 10 so as to be opened and closed freely around a rotary shaft 6. The upper frame 2 and the lower frame 3 are configured so that, a parallel link 4 to be connected to a collector shoe 9 is inserted into the upper frame 2 and a balance rod 5 to be connected to the upper frame 2 is inserted into the lower frame 3. The upper frame 2 and the lower frame 3 respectively comprise shutter parts 23, 33 disposed to project on opening/closing inside parts of the hinge part 10 and arranged in a stagger state on an axial direction of the rotary shaft 6 and an insertion hole 24 and a gap 34 into which the respective shutter parts 23, 33 are inserted, according to the opening/closing operation of the hinge part 10. The parallel link 4 and the balance rod 5 are arranged on lateral positions corresponding to the shutter parts 23, 33 of the upper frame 2 and the lower frame 3 into which the respective shutter parts are inserted.SELECTED DRAWING: Figure 6

    【課題】上枠と下枠とを連結するヒンジ部を大型化させることなく、当該ヒンジ部内への雪の入り込みを抑える。【解決手段】パンタグラフ1は、上枠2と下枠3とが回動軸6回りに開閉可能なようにヒンジ部10でくの字状に連結されたシングルアーム形のものである。上枠2及び下枠3は、集電舟9に連結される平行リンク4が上枠2の内部に挿通されるとともに、上枠2に連結される釣合ロッド5が下枠3の内部に挿通されている。上枠2及び下枠3は、ヒンジ部10の開閉内側部分に突設されるとともに回動軸6の軸方向に互いに食い違い状態で配置されたシャッター部23,33と、ヒンジ部10の開閉動作に伴って互いのシャッター部23,33が挿脱する挿通孔24,隙間34とをそれぞれ有する。平行リンク4及び釣合ロッド5は、それぞれが挿通された上枠2または下枠3のシャッター部23,33と対応した左右方向位置に配置されている。【選択図】図6


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    Title :

    PANTAGRAPH


    Additional title:

    パンタグラフ


    Contributors:

    Publication date :

    2017-01-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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