PROBLEM TO BE SOLVED: To provide an expandable member comprising a wide interior space.SOLUTION: An expandable member comprises: an outer shell body 10 formed by assembling plural cylindrical bodies 11, 12, 13 in a telescopic state; and a bar material 20 which is inserted into the outer shell body 10, whose one end is a fixed end fixed to the outer shell body 10 and whose the other end is a free end. A side plate 13 of the cylindrical body 13 comprises an inclined part 132 which is vertically inclined, and the free end of the bar material 20 comprises a pair of side part guide members 31 which are guided by the inclined part 132, regulate displacement in a lateral direction of the free end, and regulates displacement in an upper direction and/or a lower direction. Since a member for regulating displacement in the upper direction and/or the lower direction of the free end of the bar material 20 is not required, so that a wide space can be secured inside of the outer shell body.SELECTED DRAWING: Figure 2

    【課題】広い内部空間を有する伸縮部材を提供する。【解決手段】複数の筒体11、12、13がテレスコピック状に組み合わされてなる外殻体10と、外殻体10の内部に挿入され、一端が外殻体10に固定された固定端であり、他端が自由端である棒材20とを備え、筒体13の側板13cは上下方向に対して傾斜した傾斜部132を有し、棒材20の自由端には、傾斜部132に案内され、自由端の左右方向への変位を制限するとともに、上方向および/または下方向への変位を制限する一対の側部ガイド部材31が設けられている。棒材20の自由端の上方向および/または下方向への変位を制限する部材を設ける必要がない。その分、外殻体の内部に広い空間を確保できる。【選択図】図2


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    Titel :

    EXPANDABLE MEMBER


    Weitere Titelangaben:

    伸縮部材


    Beteiligte:
    YAMASHITA TERU (Autor:in)

    Erscheinungsdatum :

    19.01.2017


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B66C Krane , CRANES



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