Blade sharpener

Details Blade sharpener Blade sharpener

1979-01-02

1980-11-04

Smith, Gary L.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

B24B 354

Patent

active

042311942

ABSTRACT:
A device for sharpening cutting edges such as straight or serrated blades is disclosed herein having an elongated base provided with star-shaped openings intended to insertably receive triangular sharpening elements so that a selected side of the triangular element is exposed against which one side of the blade to be sharpened may be drawn. Each of the triangular elements includes an elongated element composed of a suitable porcelain material which includes at least three substantially flat surfaces which are joined together by a small radius. Each of the star-shaped openings are angularly disposed with respect to the horizontal at a predetermined angle so as to orient the sharpening element to a desired degree with respect to the edge to be sharpened when the edge is held in a vertical plane.

REFERENCES:
patent: 690172 (1901-12-01), Montgomery
patent: 1223127 (1917-04-01), Walker
patent: 2674072 (1954-04-01), Lohmann
patent: 3280514 (1966-10-01), Raymond
patent: 3894362 (1975-07-01), Graves

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