To provide a lifting/lowering mechanism with smaller vertical dimensions capable of performing lifting/lowering operation more stably.SOLUTION: A lifting/lowering mechanism 6 includes a pair of movable shafts 12 having both end parts guided by a pair of guide rails 9 and lifting/lowering links 14 provided between each of the pair of movable shafts 12. Each lifting/lowering link 14 includes two sets of a pair of link members 15 connected through joint parts 17. Each of the joint parts 17 is provided with support rollers 18 for supporting the joint part 17. A screw rod 23 having a right-handed screw and a left-handed screw arranged alternately is threadedly engaged with a screw hole of a female screw member 20 of each of four movable shafts 11.SELECTED DRAWING: Figure 4

    【課題】上下方向の寸法がより小さくてより安定した昇降動作を行うことができる昇降機構を提供する。【解決手段】昇降機構6は、一対の案内レール9により両端部が案内された可動軸対12と、各可動軸対12の間に設けられた昇降リンク14とを備える。各昇降リンク14は、関節部17を介して接続したリンク部材15の組を2組備える。各関節部17には、関節部17を支持する支持ローラ18が設けられる。4本の可動軸11それぞれの雌ねじ部材20のねじ孔には、右ねじ及び左ねじを交互に配置して有するねじ棒23が螺合される。【選択図】図4


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    Title :

    LIFTING/LOWERING MECHANISM AND CARGO CONTAINER LIFTING/LOWERING BASE


    Additional title:

    昇降機構及び貨物容器昇降基台


    Contributors:
    OTSU KOICHI (author)

    Publication date :

    2020-06-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    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 / B60P Fahrzeuge zum Transport von Lasten oder zum Befördern, Tragen oder Aufnehmen besonderer Lasten oder Gegenstände , VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS



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