Rock boring bit with novel teeth and geometry
AssigneeBoniard I. Brown
InventorCarlos Fernandez
Life of this patent
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Abstract
A rock boring bit assembly which includes a body configured for engagement with associated driving mechanism. At least one roller cutter is rotatably mounted on the body. The roller cutter includes a plurality of cutting member disposed about the entire face or surface thereof in generally upstanding relationship. The cutting members are arrayed over the roller cutter surface with no channel between adjacent arrays of cutting members. The cutters have generally rectilinear edges and each of the edges is disposed in substantially oblique relationship to a plurality of other rectilinear edges of other cutting members disposed proximate thereto.
Claims12
A rock boring bit assembly comprising:
- a body adapted for engagement with associated driving components;
- at least one cone rotatively mounted on said body, said cone having an axis;
- each cone including a plurality of cutting members disposed over substantially all the conical face thereof in generally upstanding relationship to the face, said cutting members having generally rectilinear edges;
- and
- at least some of said cutting members being disposed in a plurality of rings, all of said rings extending around said axis, each of said plurality of rings being axially spaced along said axis and overlapping with at least one other ring and having the cutting members of the respective rings interspersed.
Dependencies are inferred from the claim text.