Hand-held drill bit sharpening tool

Details Hand-held drill bit sharpening tool Hand-held drill bit sharpening tool

1998-03-18

1999-12-14

Scherbel, David A.

Abrading

Abrading process

Drill, thread, thread cutter, reamer, or rotary cutter abrading

451375, B24B 700

Patent

active

060010029

ABSTRACT:
A hand-held drill bit sharpening tool includes a hand grip portion adapted to be held in a user's hand and a clamp on the grip portion adapted to hold a drill bit for sharpening the tip on a grinding wheel. The bit is held in the clamp by thumb pressure of the user. A sight on the grip portion allows visual alignment of the tip of the bit for proper sharpening of the cutting edges. The sight is adjustable to accommodate different drill bits. A guard is provided on the tool for protecting the user's hand from the grinding wheel.

REFERENCES:
patent: 2211393 (1940-08-01), Travis
patent: 2758430 (1956-08-01), Sprenzel
patent: 2821820 (1958-02-01), Thumann
patent: 3393476 (1968-07-01), York
patent: 5241791 (1993-09-01), Lacy

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