Twist drill sharpener and aligning fixture

Details Twist drill sharpener and aligning fixture Twist drill sharpener and aligning fixture

1975-07-09

1977-01-11

Smith, Al Lawrence

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51219PC, 51277, B24B 330

Patent

active

040019756

ABSTRACT:
A twist drill sharpener employing a rotary grinding wheel has a twist drill chuck which mounts a pair of cams which are locked to the chuck when the lips of the twist drill are aligned in an aligning fixture and then the chuck, cams and drill are inserted in a second fixture provided with a pair of cam followers which in conjunction with the chuck carried cams control the grinding of the twist drill.

REFERENCES:
patent: 1582014 (1926-04-01), Kendall
patent: 2109308 (1938-02-01), Adams
patent: 2124093 (1938-07-01), Wells
patent: 2147227 (1939-02-01), Ambler
patent: 2445194 (1948-07-01), Umbdenstock

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