PROBLEM TO BE SOLVED: To provide an expansion mechanism, easy in carrying when lifting a pedestal of a lifting base up to a high position, and capable of also easily providing driving force even in the outdoors.SOLUTION: In an expansion mechanism 100 of a lifting base having a plurality of arm parts 10, 20 and 30 of a pantograph shape and a driving part 40 for expanding the arm parts 10, 20 and 30 and lifting a pedestal 2 installed in an upper part of the arm parts 10, 20 and 30 by expanding the arm parts 10, 20 and 30, the driving part 40 comprises an erected bolt-like rotary shaft, a lifting plate for connecting a peripheral edge part to the plurality of arm parts 10, 20 and 30, forming a central part in a nut shape of threadedly engaging with the rotary shaft and lifting along the rotary shaft and a driving shaft connected to the rotary shaft and rotating by driving force from an external part, and the rotary shaft rotates by rotation of the driving shaft, and the lifting plate lifts, and expands the plurality of arm parts 10, 20 and 30.SELECTED DRAWING: Figure 1

    【課題】昇降台の台座を高い位置まで上昇させる場合に、運搬が容易で、また屋外でも駆動力を容易に得ることの可能な伸縮機構を提供する。【解決手段】パンタグラフ状の複数のアーム部10,20,30と、アーム部10,20,30を伸縮させる駆動部40とを有し、アーム部10,20,30を伸縮させてアーム部10,20,30の上部に取り付けられた台座2を昇降させる昇降台の伸縮機構100であって、駆動部40は、立設されたボルト状の回転軸と、周縁部が複数のアーム部10,20,30に接続されるとともに中心部が回転軸に螺合するナット状に形成され回転軸に沿って昇降する昇降板と、回転軸に接続され外部からの駆動力により回転する駆動軸とを有し、駆動軸の回転により回転軸が回転し、昇降板が昇降して複数のアーム部10,20,30を伸縮させることを特徴とする。【選択図】図1


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    Titel :

    EXPANSION MECHANISM


    Weitere Titelangaben:

    伸縮機構


    Beteiligte:
    MONNOUCHI YUKIHARU (Autor:in) / SASAKI SHIGERU (Autor:in) / YAMAZAKI ISAMU (Autor:in) / NAKAI MITSUYA (Autor:in)

    Erscheinungsdatum :

    2017-06-01


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last



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