PROBLEM TO BE SOLVED: To provide a headrest position adjusting device capable of properly adjusting a position of a headrest corresponding to a seated occupant's head position.SOLUTION: In a seating posture where a head H is positioned at a central side in a seat width direction, a headrest 20 is held at a normal position R facing the head, and is moved to a front position F in a seat width direction end part. In the event of a vehicle rear end collision when being in the seating posture where a head H is shifted to the right and the left, while an upper half body B which is relatively moved rearward by the inertia is received by a right side frame 13b or a left side frame 13c which prevents the upper half body B from being got into a seat back 13, and the rear movement of the upper half body B is substantially limited, the head H which is moved rearward is properly received at a front position F to which the headrest 20 is moved forward, the rear movement of the head H is prevented, and loads on the head and a neck are substantially reduced.

    【課題】乗員の着座者の頭部位置に相応してヘッドレストの位置を適切な状態に調整できるヘッドレスト位置調整装置を提供する。【解決手段】頭部Hがシート幅方向中央側に位置する着座姿勢においては、ヘッドレスト20が頭部に対向する通常位置Rに保持し、シート幅方向端部において前方位置Fに移動する。頭部Hが左右にずれた着座姿勢において車両が後方から衝突された際には、慣性により相対後方移動する上半身Bが右或いは左の側方フレーム13b、13cによって受け止められてシートバック13内への潜り込みが抑制され上半身Bの後方移動が大きく制限されるものの、ヘッドレスト20が前方に移動した前方位置Fにおいて後方移動する頭部Hが最適に受け止められて、頭部Hの後方移動が抑制されて頭部及び頸部の負荷が大幅に軽減される。【選択図】図6


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    Titel :

    HEADREST POSITION ADJUSTING DEVICE


    Weitere Titelangaben:

    ヘドレスト位置調整装置


    Beteiligte:
    KITAMURA NORIO (Autor:in) / YOSHITAKA SHIGERU (Autor:in) / HASEGAWA TAKUYA (Autor:in)

    Erscheinungsdatum :

    2015-10-22


    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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