Jack Element for a Drill Bit

作者: Francis E. Leany , Joe Fox , David R. Hall , Tyson J. Wilde

DOI:

关键词: EngineeringDrill bitSurface (mathematics)Structural engineeringBit (horse)CoaxialConical surfaceGeometry

摘要: In one aspect of the present invention, a drill bit has an axis rotation and working face with plurality blades extending outwardly from body. The form in part inverted conical region cutters cutting surface are arrayed along blades. A jack element is coaxial extend within range defined by at least cutter.

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