Patent ID: 9458607
Filing Date: 2016-10-04
CPC Classification: B28D,E02F,E21C

Claim Text:
1. A rotatable cutting tool for use in impinging earth strata, the rotatable cutting tool comprising: a cutting tool body; a hard tip affixed to the cutting tool body; the cutting tool body having an axial forward end for receiving the hard tip and an axial rearward end, a head portion axially rearward of the axial forward end, a collar portion axially rearward of the head portion, and a shank portion axially rearward of the collar portion; and wherein the head portion includes a plurality of elongated projections extending radially thereabout, each of the elongated projections including a first tapered side, a second tapered side and an apex culminating between the first tapered side and the second tapered side, wherein the first tapered side of each of the elongated projections is contiguous with the second tapered side of an adjacent elongated projection at a surface such that the first tapered side is contiguous with the second tapered side at said surface from adjacent the collar portion to adjacent the axial forward end of the cutting tool body to form a plurality of longitudinal grooves extending from adjacent the collar portion to adjacent the axial forward end of the cutting tool body.