To enhance structural strength of a ring member for coming-off stop of two disk-shaped connection members forming a recliner in an axial direction.SOLUTION: A recliner 4 comprises: two disk-shaped gears, namely a lower gear 10 and an upper gear 20 which are assembled in an axial direction so as to rotate relatively mutually; a rotation stop mechanism for stopping relative rotation thereof; and a ring member 70 which is attached over outer peripheries 11, 24 of the lower gear 10 and the upper gear 20, and maintains a state in which the lower and upper gears are assembled in the axial direction. The ring member 70 comprises: a coupling part 71 coupled to an outer peripheral part 24 of the upper gear 20; a surrounding part 72 extended from the coupling part 71 in an axial direction and surrounds an outer peripheral part 11 of the lower gear 10 from an outer peripheral side; and a pressing part 73 which is folded to inside of a radial direction from an end part of a tip extended in an axial direction of the surrounding part 72 and is put to the outer peripheral part 11 of the lower gear 10 from outside of the axial direction. A protrusion portion 73A which protrudes and is bent outward in an axial direction is formed on the pressing part 73.SELECTED DRAWING: Figure 7

    【課題】リクライナを構成する2枚の円板状の連結部材間の軸方向の外れ止めをするリング部材の構造強度を高めること。【解決手段】リクライナ4であって、互いに相対回転可能に軸方向に組み付けられた2枚の円板状のロアギア10及びアッパギア20と、これらの間の相対回転を止める回転止め機構と、ロアギア10及びアッパギア20の外周部11,24間に跨って装着されてこれらを軸方向に組み付けた状態に保持するリング部材70と、を有する。リング部材70が、アッパギア20の外周部24に結合される結合部71と、結合部71から軸方向に延びてロアギア10の外周部11を外周側から囲う囲い部72と、囲い部72の軸方向に延びた先の端部から半径方向の内側に折れ曲がってロアギア10の外周部11に軸方向の外側からあてがわれる押さえ部73と、を有する。押さえ部73に軸方向の外側に曲がって張り出す張出部位73Aが形成されている。【選択図】図7


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    Titel :

    RECLINER


    Weitere Titelangaben:

    リクライナ


    Beteiligte:
    ITO SHINICHI (Autor:in) / ITO SADAO (Autor:in) / ARAKAWA YUJI (Autor:in)

    Erscheinungsdatum :

    2018-12-06


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

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



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