To enhance support rigidity of a link mechanism for supporting a step plate in a step device in which the step plate is taken out and stored by interlocking with an opening/closing operation of a slide door.SOLUTION: Support rigidity is enhanced by arranging an auxiliary link arm 23 in addition to a first link arm 21 and a second link arm 22 constituting a four-node link mechanism. A support hole 23c on a rotation tip side of the auxiliary link arm 23 is formed into a long groove hole shape and is made to function as a relief hole for allowing relative displacement in a radial direction of a support shaft 23b, and thereby smooth operations of the first link arm 21 and the second link arm 22 constituting the four-node link mechanism are secured. Support rigidity of a first step plate 11 is further enhanced by arranging load receiving sections 24, 25, and 26 in each link arm 21, 22, and 23.SELECTED DRAWING: Figure 5

    【課題】スライドドアの開閉動作に連動して取り出し、格納されるステップ装置において、ステップ板を支持するリンク機構の支持剛性を高める。【解決手段】四節リンク機構を構成する第1リンクアーム21と第2リンクアーム22に加えて補助リンクアーム23を配置することで支持剛性を高める。補助リンクアーム23の回動先端側の支持孔23cは長溝孔形状として支軸23bの径方向の相対変位を許容する逃がし孔として機能させることで、四節リンク機構を構成する第1リンクアーム21と第2リンクアーム22のスムーズな動作を確保する。各リンクアーム21,22,23に荷重受部24,25,26を配置して第1ステップ板11の支持剛性を一層高める。【選択図】図5


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    Title :

    VEHICULAR STEP DEVICE


    Additional title:

    車両用ステップ装置


    Contributors:

    Publication date :

    2024-06-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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