Driver drill bit

Description

FIG. 1 is a perspective view of a driver drill bit according to the present design;

FIG. 2 is a top plan view of the driver drill bit of FIG. 1;

FIG. 3 is a front view of the driver drill bit of FIG. 1;

FIG. 4 is a left side view of the driver drill bit of FIG. 1;

FIG. 5 is a back view of the driver drill bit of FIG. 1;

FIG. 6 is a right side view of the driver drill bit of FIG. 1;

FIG. 7 is a perspective view of the driver drill bit of FIG. 1 in co-operation with a crown-bit,

FIG. 8 is a perspective view of the driver drill bit according to a variant of the present design;

FIG. 9 is a top plan view of the driver drill bit of FIG. 8;

FIG. 10 is a front view of the driver drill bit of FIG. 8;

FIG. 11 is a left side view of the driver drill bit of FIG. 8;

FIG. 12 is a back view of the driver drill bit of FIG. 8; and,

FIG. 13 is a right side view of the driver drill bit of Figure wherein the broken lines illustrate components that form no part of the design.

The broken lines in the figures are for illustrative purposes only and form no part of the claimed design.

Claims

The ornamental design for a driver drill bit, as shown and described.

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Inventors:	Charland; Luc (Sherbrooke, Quebec, CA), Charland; Roger (Sherbrooke, Quebec, CA)
Appl. No.:	D/183,429
Filed:	June 12, 2003

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Current U.S. Class:	D15/139
Current International Class:	1509
Field of Search:	;D15/139 ;175/57,257-259,266,292,296,300,385,413-415

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References Cited [Referenced By]

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U.S. Patent Documents

D416029	November 1999	Cosic

Foreign Patent Documents

	0 358 786		Mar 1990		EP

Other References

Concentrix Overburden Drilling System. . Outils de forage Sandvik Coromant TUBEX..

Primary Examiner: Davis; Antoine D.