Drill bit sharpener

Details Drill bit sharpener Drill bit sharpener

1992-04-30

1993-02-09

Kisliuk, Bruce M.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51211R, 51358, B24B 324

Patent

active

051844257

ABSTRACT:
A drill bit sharpener includes a molded plastic superstructure extending upwardly from a base plate. The superstructure includes a pair of diametrically opposed inclined surfaces. Each inclined superstructure surface has two parallel U-shaped channels and one V-shaped channel disposed adjacent to an outer edge of the superstructure. A diamond-coated plate is adhered to the bottom of each U-shaped channel and to the outermost interior surface of the V-shaped channel to provide grinding surfaces for sharpening the face and the backside of a cutting edge of a drill bit. Co-planar parallel smooth planar sections of the upper surfaces of the superstructure provide finger guides upon which a user, grasping a drill bit, rests his fingers during sharpening of the face of the drill bit in the U-shaped channels.

REFERENCES:
patent: 1004894 (1911-10-01), Muhl
patent: 2360079 (1944-10-01), Smith
patent: 4747235 (1988-05-01), Priebe
patent: 4897965 (1990-02-01), Friel

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