The invention relates to an emergency wheel attachment (10) for a vehicle wheel (12), the emergency wheel attachment having a substantially annular fitting unit (18) which is used to fit the emergency wheel attachment to the vehicle wheel, and an annular tread unit (20) which in the operating state contacts a road, the fitting unit being provided with at least two retaining claws (22) which are designed to fasten the fitting 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 fitting unit, the fitting unit having an annular actuating element 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 a part of a gear mechanism which converts a rotation of the actuating element into a radial movement of the or all radially movable retaining claws, and the fitting unit comprising a drive device which is coupled or can be coupled to the actuating element.
Emergency wheel attachment for a vehicle wheel
2022-08-25
Patent
Elektronische Ressource
Englisch
IPC: | B60B VEHICLE WHEELS , Räder für Fahrzeuge |