Adjustment means for a drill bit sharpening device

Details Adjustment means for a drill bit sharpening device Adjustment means for a drill bit sharpening device

1985-07-29

1986-08-26

Whitehead, Harold D.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

B24B 326

Patent

active

046074635

ABSTRACT:
An improvement to a drill bit sharpening apparatus in the form of a simple spacer that provides the space setting between a drill bit point and the surface of a grinding device. The spacer comprises an elongated strip made of hard material; the width of the strip is not uniform and diminishes at two portions of the strip. The slanting angle of the portions corresponds to the Z-distances travelled by a drill bit supporting member so as to accomplish the setting. The strip also has calibration marks on its surface corresponding to a set of drill bit diameters for a given point angle. The spacer completely replaces the disc shaped and rectangular shaped prior art spacers.

REFERENCES:
patent: 1585984 (1926-05-01), Heim
patent: 2556073 (1951-06-01), Dixon
patent: 2758430 (1956-08-01), Sprenzel
patent: 4520599 (1985-06-01), Slinsky

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