with radially-adjustable spade lugs; Control mechanisms therefor

Full Title

Wheels or wheel attachments designed for increasing traction (vehicle tires B60C; non-skid devices temporarily attachable to resilient tires or resiliently-tired wheels B60C) > Wheels with spade lugs > with radially-adjustable spade lugs; Control mechanisms therefor

Child Classifications

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• B60B 15/12 involving cams or eccentric hoops
• B60B 15/14 involving an axially-displaceable cone
• B60B 15/16 involving gearing, e.g. gear pinions acting upon threaded shafts on the spade lugs