Disclosed are: a caster mounted on a teaching aid including a whiteboard, or furniture, etc. so as to conveniently and stably convert between a movement state and a stopping state; and a whiteboard including the caster. The present invention relates to a caster comprising: a wheel which is coupled to the lower end of a fixing shaft having a male screw formed on the upper side thereof so that a nut is fastened; a wheel moving means which comprises a slide member and an eccentric rotation member, wherein the slide member has a shaft hole punched on the central part thereof so as to allow the fixing shaft of the wheel to be penetrated and fastened by the nut, and has a working shaft hole formed on the circumferential surface thereof, and the eccentric rotation member has an eccentric shaft formed at one side thereof and a shaft bolt formed protrudingly from the center part of the other side thereof, the eccentric shaft being fitted into the working shaft hole of the slide member; a main body which comprises a first operating space, a second operating space, a third operating space, and a female screw, wherein the first operating space is penetrated at the central part thereof in the vertical direction so that the slide member is fitted thereto and can move up and down, the second operating space enables the wheel to rotate and move up and down, the third operating space is penetrated in the horizontal direction so that an eccentric member is fitted thereto and the eccentric shaft can be introduced into the first operating space, and the female screw is formed on the upper part of the main body for the fastening purpose; a working lever which has a coupling hole punched on the central part thereof, the coupling hole being fitted into the shaft bolt of the eccentric rotation member; a fixing nut which is screw-coupled to the shaft bolt of the eccentric rotation member so as to fix the working lever; and a fixing means which comprises a first fixing part or a second fixing part so as to prevent the eccentric rotation member fitted into the third operating space of the main body from being detached and stop the rotation of the eccentric rotation member. The caster is mounted on a pedestal fixed to the lower end of a column frame on which the whiteboard is mounted.


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    Title :

    Caster and whiteboard comprising caster


    Contributors:
    OH JUN-SEOK (author)

    Publication date :

    2017-08-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B43L Artikel zum Beschreiben oder zum darauf Zeichnen , ARTICLES FOR WRITING OR DRAWING UPON / B60B VEHICLE WHEELS , Räder für Fahrzeuge



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