Patent No. EP4117857 (titled "Roller Sander") was filed by Horl on Mar 9, 2021. The application was issued on Apr 24, 2024.
A device for grinding and polishing a cutting edge of a cutting tool, such as a household knife. The device comprises a rotating disc with a cutting edge that rotates relative to the disc as it moves along a surface. The cutting edge is precisely positioned at an angle of 5° to 30° relative to the disc surface, allowing for efficient grinding and polishing of the cutting edge.
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