PROBLEM TO BE SOLVED: To provide a mechanism for adjusting an angle of an armrest excellent in safety and strength, capable of facilitating weight saving and the thinning, and also keeping the manufacturing cost low.SOLUTION: A mechanism 10 for adjusting an angle of an armrest includes: an internal tooth member 12; an external tooth member 13 swingably attached at a position shifted from a rotation center C; an arm side fixing member; and an external tooth energizing member 15. An arm member has, in a built-in manner: a retracting cam mechanism 12c for, when the arm member rotating upward from a lower limit position exceeds an angle adjustment possible section, retracting the external tooth member 13 to a retracting position where external teeth 13a and internal teeth 12a do not engage with each other; returning cam mechanisms 12f, 13f for, when the arm member rotating downward reaches the lower limit position, returning the external tooth member 13 to an engaging position where the external teeth 13a and the internal teeth 12a engage with each other; and an upper limit stopper mechanism 12d and lower limit stopper mechanisms 12e, 13e of the arm member.

    【課題】安全性や強度に優れ、軽量化や薄型化が容易で、製造コストを低く抑えることもできるアームレスト角度調節機構を提供する。【解決手段】アームレスト角度調節機構10を、内歯部材12と、回動中心C1からずれた位置に揺動可能な状態で取り付けられた外歯部材13と、アーム側固定部材と、外歯付勢部材15とで構成し、下限位置から上向きに回動するアーム部材が角度調節可能区間を越えた際に外歯13aと内歯12aが噛み合わない退避位置へ外歯部材13を退避させる退避カム機構12cと、下向きに回動するアーム部材が下限位置に達した際に外歯部材13を外歯13aと内歯12aが噛み合う噛合位置へ復帰させる復帰カム機構12f,13fと、アーム部材の上限ストッパー機構12d及び下限ストッパー機構12e,13eとが、アーム部材に内蔵されるようにした。【選択図】図5


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    Titel :

    MECHANISM FOR ADJUSTING ANGLE OF ARMREST


    Weitere Titelangaben:

    アームレスト角度調節機構


    Beteiligte:

    Erscheinungsdatum :

    2015-07-23


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet / A47C Stühle , CHAIRS



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