Rims (non-metallic B60B5/00; of high resiliency B60B9/00; capable of carrying more than one tyre B60B11/04; multiple rims on a single wheel body B60B11/06; of multi-part type B60B25/00; metal tyres B60C)

Child Classifications

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• B60B 21/02 characterised by transverse section
• B60B 21/06 characterised by means for attaching spokes
• B60B 21/08 characterised by having braking surfaces
• B60B 21/10 characterised by the form of tyre-seat or flange, e.g. corrugated (B60B21/02 takes precedence)
• B60B 21/12 Appurtenances, e.g. lining bands