for grinding plane surfaces

Full Title

Machines or devices using grinding or polishing belts (for sharpening cutting edges of tools B24B3/00; portable belt-grinding machines B24B23/06); Accessories therefor > for grinding plane surfaces

Child Classifications

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• B24B 21/06 involving members with limited contact area pressing the belt against the work, e.g. shoes sweeping across the whole area to be ground (B24B21/12 takes precedence)
• B24B 21/10 involving a rigid member, e.g. pressure bar, table, pressing or supporting the belt over substantially its whole span
• B24B 21/12 involving a contact wheel or roller pressing the belt against the work