Patent ID: 9555485
Date: 2017-01-31
CPC Classifications: B23C,B23D,B24D

Claim:
1. A rotary grinding tool, comprising: a generally cylindrically shaped body comprising a first end and second end, a grinding portion adjacent to the first end and a shank portion adjacent to the second end; a plurality of flutes formed in the grinding portion of the body, said flutes extending from the first end toward the shank portion of the body; a plurality of grinding elements formed in the grinding portion of the body, said grinding elements extending from the first end toward the shank portion of the body, each of said grinding elements disposed between consecutive flutes along the grinding portion, and each of said grinding elements comprise a grinding surface, each grinding surface comprises a leading edge between a flute and a portion of the grinding surface adjacent to the leading edge that first contacts a surface to be ground and a trailing edge between the next consecutive flute and a portion of the grinding surface adjacent to the trailing edge that last contacts the surface to be ground; and wherein a first radius of the tool at the leading edge of each grinding element is smaller than a second radius of the tool at the trailing edge of each grinding element, and all first radii are substantially equal and all second radii are substantially equal.