The present invention provides a functional ball wheel device which is freely rotated at 360 degrees by a rotary ball received in a movement support unit in case a load is not applied to an object, such as a chair, furniture, etc., through a relatively simple structure, and simultaneously allows the rotary ball to be recessed into a housing and the bottom surface of the housing to come in contact with a floor surface in case the load is applied to the object, thereby securely fixing the object without an additional unit. To this end, the functional ball wheel device comprises: a housing which is formed in an enclosure shape and has an opening part on one surface thereof; an elastic spring which is received in the housing; a movement support unit which is formed in the bottom of the elastic spring; and a rotary ball which is formed between the movement support unit and the opening part of the housing.

    본 발명은 상대적으로 간단한 구성으로 의자나 가구류 등의 대상물에 하중이 실리지 않을 경우에는 유동지지수단에 수용되어 있는 회전구에 의해 360°자유회전이 가능하고, 반대로 하중이 실리는 경우에는 회전구가 하우징 내부로 함몰됨과 동시에 하우징의 저면이 바닥면에 접촉됨으로써 별도의 수단에 의하지 않고도 대상물을 확실하게 고정시킬 수 있는 기능성 볼바퀴 장치를 제공하는데 그 목적이 있다. 상기한 목적들 및 다른 특징들을 달성하기 위한 본 발명에 따르면, 일면에 개구부가 형성된 함체 형태의 하우징; 상기 하우징에 수용되는 탄성 스프링; 상기 탄성 스프링 하측에 구비되는 유동지지수단; 및 상기 유동지지수단과 상기 하우징의 개구부 사이에 회전구;를 포함하는 기능성 볼 바퀴가 제공된다.


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    Title :

    FUNCTIONAL BALL WHEELS DEVICE


    Additional title:

    기능성 볼바퀴 장치


    Contributors:

    Publication date :

    2016-04-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B60B VEHICLE WHEELS , Räder für Fahrzeuge



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