A drill sharpener as defined in claim 1 which includes shaft means fixed to said wheel and rotatably supported upon said body, means for attaching said shaft means to a rotary drive, and means restraining said body against rotation.ĥ. A drill sharpener as defined in claim 1 wherein said means comprises a plate having a plurality of apertures aligned with said passages, said plate having a projection extending into each said aperture and adapted to fit into said flute.Ĥ.
A drill sharpener as defined in claim 1 wherein said means is adjustable relative to said body, whereby to angularly adjust said bit cutting land relative to said abrasive wheel surface.ģ. A drill sharpener including a stationary body, an abrasive wheel supported adjacent said body and rotatable about a central axis, said wheel having a cupped concave conical surface symmetrical with its rotational axis and facing said body, said body having a plurality of different sized, spaced longitudinal passages therethrough having their longitudinal axes generally parallel to one another and to said central axis and aligned with said conical surface, and means on said body engageable with at least one flute of drill bits positioned in said passages and of a dimension to substantially engage opposite sides of said flute and stationarily position said bit during sharpening, whereby to substantially prevent rotation of and accurately position a cutting land of each of said bits relative to said abrasive wheel surface.Ģ.
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