Carlos E Fernandez

US Patent:

43939481, Jul 19, 1983

Filed:

Apr 1, 1981

Appl. No.:

6/249814

Inventors:

Carlos Fernandez - West Covina CA

International Classification:

E21B 1016

US Classification:

175374

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.