PROBLEM TO BE SOLVED: To reduce turning torque of an engagement part of a lock mechanism and prevent the engagement part from getting out of an engaged part when an impact load is applied.SOLUTION: An engaging part 32 of a lock mechanism has a structure of being turnable around the axis of a rotation center axis 23c, and is provided with a hook part 320 capable of being engaged with an engaged part 35, on a turning free end side. The hook part 320 comes in contact with the engaged part 35 in a cross direction when the engaging part 32 turns to an engagement position, and the hook par 320 and the engaged part 35 are not in contact with each other when the engaging part 32 is in the middle of turning and is located at a position other than the engagement position. When an impact load is applied in a cross direction when the engagement part 32 is at the engagement position, the hook part 320 is deformed into a shape where the engaging part 32 cannot turn upward, due to the impact load applied via the engaged part 35, and is engaged with the engaged part 35.SELECTED DRAWING: Figure 3

    【課題】ロック機構の係合部の回動トルクを小さくできるようにする。また、衝撃荷重が加わったときに係合部が被係合部から外れないようにする。【解決手段】本発明に係るロック機構の係合部32は、回転中心軸23cの軸心回りに回動可能な構成で、回動自由端側に被係合部35と係合可能な鉤部320を備えており、係合部32が係合位置まで回動すると、鉤部320は被係合部35に対して前後方向において接触し、係合部32が回動途中で係合位置以外の位置にあるときは鉤部320と被係合部35とは非接触であり、係合部32が係合位置にあるときに前後方向に衝撃荷重が加わると、鉤部320は、被係合部35を介して加わった衝撃荷重により、係合部32の上回動が不能となる形状に変形して、被係合部35と係合する。【選択図】図3


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    Titel :

    LOCK MECHANISM


    Weitere Titelangaben:

    ロック機構


    Beteiligte:
    BANDO NOBUYUKI (Autor:in)

    Erscheinungsdatum :

    26.04.2018


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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