A cart includes four wheel assemblies disposed on four bottom corners of a support body respectively, each wheel assembly including a hollow cylinder, a biasing member in the hollow cylinder, a roller having a partially threaded shank inserted through the biasing member and the hollow cylinder into the support body for fastening, and a threaded fastener secured to the partially threaded shank; four lock sleeves each secured onto the hollow cylinder. In a ready to wheel or wheeling state, the partially threaded shank is rested on a top of the hollow cylinder, and both the cylinder and the lock sleeve are above a bottom end of the roller. In response to a user sitting on the support body, both the hollow cylinders and the lock sleeves are pushed down with the biasing members being further compressed until both the hollow cylinders and the lock sleeves contact a supporting ground.


    Access

    Download


    Export, share and cite



    Title :

    Mobile cart


    Contributors:

    Publication date :

    2015-07-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62B Von Hand bewegte Fahrzeuge, z.B. Handkarren oder Kinderwagen , HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS



    Mobile cart

    VARGAS II HENRY / DUPRIEST II ROBERT STEWART | European Patent Office | 2017

    Free access

    MOBILE CART

    European Patent Office | 2018

    Free access

    Mobile cart

    MARTELL TIMOTHY J / JOHNSON JASON W | European Patent Office | 2016

    Free access

    Mobile cart

    GOODBINDER HARRISON J / STRAUSS STEPHEN A / STRAUSS SABRINA Y | European Patent Office | 2019

    Free access

    MOBILE CART

    YAMASHITA HANAE / KIKUTA KATSUYA | European Patent Office | 2015

    Free access