B - Operations – Transporting – 24 – B
Patent
B - Operations, Transporting
24
B
51/46, 51/84
B24B 3/30 (2006.01)
Patent
CA 1047769
TWIST DRILL SHARPENER AND COMPONENTS THEREOF 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.
258470
Bernard Arthur A.
Bernard Richard A.
LandOfFree
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