Invention Grant

Manual sharpener
Abstract:
A manual sharpener includes at least one pre-sharpening stage having interdigitating comb-like abrasive sharpening structure. The sharpener also includes a finishing stage having a pair of abrasive surfaced truncated conical disks as its sharpening structure. The disks are mounted on a rotatable shaft with the small ends of the disks in contact with each other.
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