The invention discloses a retractable caster which comprises a supporting base 1. The caster is characterized in that a guide groove, a shaft 2 and a wheel 3 are arranged on the supporting base; the shaft 2 can slide along the guide groove formed in the supporting base 1. The caster is retractable; when the caster is retracted, the supporting seat is in contact with the ground, and the wheel is not subjected to pressure; when the caster is released, the supporting seat is not in contact with the ground, and the wheel is subjected to pressure.


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    Title :

    Retractable caster


    Publication date :

    2015-11-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60B VEHICLE WHEELS , Räder für Fahrzeuge



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