The present invention relates to a caster for a chair, and more specifically, to a caster for a chair, which has a bearing ball that is installed under the chair and rotates while being elastically supported by a spring, so that a user can move only when not being seated and cannot be moved while being seated, and which makes the bearing ball rotate smoothly regardless of the position of the bearing ball, thereby minimizing noise caused by movement.

    본 발명은 의자용 캐스터에 관한 것으로, 더욱 상세하게는 의자의 하부에 설치되며 스프링에 의해 탄성 지지되면서 회전하는 베어링볼을 구비하여 착석하지 않은 상태에서만 이동할 수 있고 착석 상태에서는 이동하지 못하도록 함과 아울러 베어링볼의 위치에 상관없이 베어링볼이 원활하게 회전하도록 함으로써 이동에 따른 소음 발생을 최소화할 수 있도록 한 의자용 캐스터에 관한 것이다.


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    Titel :

    Castors for children's protection


    Weitere Titelangaben:

    어린이 보호를 위한 의자용 캐스터


    Beteiligte:
    LEE JAE HYUN (Autor:in) / LEE CHOONG HO (Autor:in)

    Erscheinungsdatum :

    2020-07-08


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    B60B VEHICLE WHEELS , Räder für Fahrzeuge / A47C Stühle , CHAIRS



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