| 摘要 |
PURPOSE:To easily and correctly sharpen an edge, by using two sheets of retainer metals having the leading edge part formed in aligning to an edge curve of an edged tool. CONSTITUTION:An edged tool 1 is held by retainer metals 3, and its edge part is protruded by a screw 5. This edge tool 1 is fixed by supporting fixtures 6, 7, and sharpened by a grindstone 8. Here to easily apply averaged force, reinforced units 4 are additionally attached to leading edge parts of the retainer metals 3. |
