Drill bit finger
FIG. 1 is a right side view in elevation of a drill bit finger (without cutting head attached) showing our new design;
FIG. 2 is a rear view thereof in elevation (without cutting head attached);
FIG. 3 is a perspective view thereof from the rear (without cutting head attached);
FIG. 4 is a front view thereof in elevation (without cutting head attached);
FIG. 5 is a left side view thereof in elevation (without cutting head attached);
FIG. 6 is a bottom view thereof in plan (without cutting head attached);
FIG. 7 is a perspective view thereof from the front (without cutting head attached);
FIG. 8 is a front view in elevation of the drill bit finger (with cutting head attached) showing our new design;
FIG. 9 is a left side view thereof (with cutting head attached);
FIG. 10 is a perspective view thereof from the front (with cutting head attached);
FIG. 11 is a top view thereof in plan (with cutting head attached);
FIG. 12 is a top view thereof in plan (with cutting head attached);
FIG. 13 is a right side view thereof in elevation (with cutting head attached);
FIG. 14 is a rear view thereof in elevation (with cutting head attached); and,
FIG. 15 is a perspective view thereof from the rear (with cutting head attached).
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PCT/SU89/00123 | February 1990 | WOX |
Type: Grant
Filed: Jun 7, 1995
Date of Patent: Dec 31, 1996
Inventors: Gavin T. McLeod (Bullcreek, Western Australia 6154), Matthew V. Egan (Leeming, Western Australia 6155)
Primary Examiner: Antoine Duval Davis
Application Number: 0/40,007