Units comprising multiple wheels arranged side by side; Wheels having more than one rim or capable of carrying more than one tyre

Child Classifications

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• B60B 11/02 Units of separate wheels mounted for independent or coupled rotation
• B60B 11/04 Wheels with a rim capable of carrying more than one tyre
• B60B 11/06 Wheels with more than one rim mounted on a single wheel body
• B60B 11/08 Arrangements of balancing mechanisms enabling a uniform distribution of load to tyres
• B60B 11/10 Emergency wheels (collapsible tyres B60C3/08; tyres characterised by means enabling restricted operation in damaged or deflated condition B60C17/00)