The invention relates to an emergency wheel attachment (10) for a vehicle wheel (12), the emergency wheel attachment having a substantially annular mounting unit (18), which is used to mount the emergency wheel attachment to the vehicle wheel, and an annular tread unit (20), which in the operating state contacts a road, the mounting unit being provided with at least two retaining claws (22) which are designed to fasten the mounting unit to the rim (14) of the vehicle wheel by engaging behind the rim flange (26), at least one of the retaining claws being radially movable in order to change its distance from the center point of the mounting unit, the mounting unit having an annular actuating element (46) which is rotatable about an axis of rotation (A) coinciding with the vehicle wheel axis in the operating state of the emergency wheel attachment and forms part of a gear mechanism which converts a rotation of the actuating element (46) into a radial movement of the or all radially movable retaining claws (22), and the mounting unit (18) comprising a drive device which is coupled or can be coupled to the actuating element (46).


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    Title :

    EMERGENCY WHEEL ATTACHMENT FOR A VEHICLE WHEEL


    Contributors:

    Publication date :

    2023-03-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60B VEHICLE WHEELS , Räder für Fahrzeuge / B60C VEHICLE TYRES , Fahrzeugreifen



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