Rotatable Cutting Tool With Head Portion Having Elongated Projections

A rotatable cutting tool for use in impinging earth strata wherein the rotatable cutting tool comprises a cutting tool body and a hard tip affixed to the cutting tool body. The cutting tool body includes an axial forward end for receiving the hard tip and an axial rearward end, a head portion axiall...

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Bibliographische Detailangaben
Hauptverfasser: COLVIN SETH DANIEL, SWOPE CHAD ALLEN
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A rotatable cutting tool for use in impinging earth strata wherein the rotatable cutting tool comprises a cutting tool body and a hard tip affixed to the cutting tool body. The cutting tool body includes 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 axially forward of the axial rearward end. The head portion includes a plurality of elongated projections extending radially thereabout, each of the elongated projections including a first tapered side and a second tapered side. The first tapered side of each of the elongated projections adjoins the second tapered side of an adjacent elongated projection at a surface of the head portion.