PROBLEM TO BE SOLVED: To provide a simple locking mechanism of a machine structure as the locking mechanism of a falling prevention device.SOLUTION: An oscillation body 40 of a platform falling prevention device 10 is engaged with a primary driving end roller 27 linearly moved on a roller rolling surface 45 of a primary driving end part by a driving mechanism part 20, and engaged with a roller guide 66 of a follower slider 62 of a falling prevention plate 16 on a follower end roller 46 of a follower end part. The roller rolling surface 45 satisfies, when the falling prevention plate 16 in a projection completed state or a storage completed state, the geometric condition of setting the direction of the operation force F2 of a reverse direction transmitted from the falling prevention plate 16 side to move the oscillation body 40 in a direction orthogonal or roughly orthogonal to the linear motion of the primary driving end roller 27.SELECTED DRAWING: Figure 2

    【課題】転落防止装置のロック機構として、機械構造のロック機構を簡素に実現すること。【解決手段】プラットホーム用転落防止装置10の揺動体40は、原動端部のローラ転動面45にて駆動機構部20により直線運動される原動端ローラ27と係合し、従動端部の従動端ローラ46にて転落防止板16の従動スライダ62のローラガイド66と係合する。ローラ転動面45は、転落防止板16が突出完了状態及び収容完了状態であるときに、転落防止板16側から伝達された揺動体40を動かそうとする逆方向の作用力F2の方向を、原動端ローラ27の直線運動と直交又は略直交する方向に作用させる幾何的条件を満たしている。【選択図】図2


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    Titel :

    FALLING PREVENTION DEVICE


    Weitere Titelangaben:

    転落防止装置


    Beteiligte:
    SAKURAI IKUO (Autor:in)

    Erscheinungsdatum :

    05.09.2016


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B61B RAILWAY SYSTEMS , Eisenbahnanlagen / E01F ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE , Zusätzliche Baumaßnahmen, wie die Ausstattung von Straßen oder die bauliche Ausbildung von Bahnsteigen, Landeplätzen für Hubschrauber, Wegweisern, Schneezäunen oder dgl.



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