잠금 기구는 하우징에 회전 가능하게 지지되고 프리텐셔너 기구의 작동에 의해 소정 방향으로 회전하는 암부, 폴을 래칫 기어와의 걸어 맞춤 방향으로 가압하는 가압부, 암부와 가압부를 연결하는 연결부를 포함하는 연결 부재, 암부가 소정 방향으로 회전한 상태에서 역방향으로의 회전을 규제하는 회전수단을 구비하며, 프리텐셔너 기구의 작동에 의해 웨빙 권취 방향으로 회전하여 있는 래칫 기어에 폴이 맞닿을 때 연결 부재가 암부와 가압부 사이에서 탄성적인 비틀림 변형을 하여 폴을 래칫 기어와의 걸어 맞춤 방향으로 가압한 상태로 유지한다.

    A locking mechanism comprising a coupling member comprising an arm portion which is rotatably supported by a housing and adapted to rotate in a predetermined direction in response to the actuation of the pretensioner mechanism, a pressing portion adapted to press the pawl towards an engagement direction with the ratchet gear, and a coupling portion adapted to couple the arm portion and the pressing portion; and a rotating device adapted to hold the arm portion restrict a reverse rotation thereof; in the actuation of the pretensioner mechanism, when the pawl, pressed by the pressing portion and in contact with the ratchet gear rotating in the take-up direction, passes over each of teeth of the ratchet gear, the coupling member is elastically twisted and deformed between the arm portion and the pressing portion to hold the pawl in a state of being urged toward the engagement direction with the ratchet gear.


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    Title :

    Seatbelt Retractor


    Additional title:

    시트벨트용 리트랙터


    Publication date :

    2022-04-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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