An improved vehicle is provided that has an excellent obstacle overcoming ability, including stair climbing. The apparatus comprises a frame, and a pair of endless track units positioned on opposite sides. Each track unit has a plurality of telescoping rollers in contact with the inner track surface configured to guide the track around a track pathway, and move vertically when navigating over obstacles. Each track unit further comprises a drive assembly in contact with the track, and movable between a raised position and a lowered position, such that movement of the drive assembly also operates to provide track tension.


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    Title :

    Stair Climbing Apparatus


    Contributors:

    Publication date :

    2020-01-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    A61G TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS , Transport, persönliche Beförderungsmittel, oder Lagerung besonders ausgebildet für Kranke oder Behinderte / B62D MOTOR VEHICLES , Motorfahrzeuge



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