Rock drill bit

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 shows the rock drill bit in a front view for percussive drilling.

FIG. 2 shows a side view from the left side of the rock drill bit in FIG. 1.

FIG. 3 shows a side view from the lower side of the rock drill bit in FIG. 1.

FIG. 4 shows a side view from the right side of the rock drill bit in FIG. 1.

FIG. 5 shows a side view from the upper side of the rock drill bit in FIG. 1.

FIG. 6 shows a perspective front view of the rock drill bit for percussive drilling.

FIG. 7 shows a bottom view of the rock drill bit for percussive drilling.

FIG. 8 shows the rock drill bit in a front view.

FIG. 9 shows a side view from the left side of the rock drill bit in FIG. 1.

FIG. 10 shows a side view from the lower side of the rock drill bit in FIG. 1.

FIG. 11 shows a side view from the right side of the rock drill bit in FIG. 1.

FIG. 12 shows a side view from the upper side of the rock drill bit in FIG. 1.

FIG. 13 shows a perspective front view of the rock drill bit for percussive drilling; and,

FIG. 14 shows a bottom view of the rock drill bit for percussive drilling.

The broken lines in the drawings depict unclaimed environmental subject matter.

Claims

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

Referenced Cited
U.S. Patent Documents
4440244 April 3, 1984 Wiredal
D454143 March 5, 2002 .ANG.sberg
6658968 December 9, 2003 Linden et al.
D496948 October 5, 2004 Charland et al.
7296641 November 20, 2007 Hadin et al.
7392863 July 1, 2008 Bjork
20020153174 October 24, 2002 Linden et al.
20040040752 March 4, 2004 Brandenberg et al.
20040182610 September 23, 2004 Mocivnik et al.
20050011680 January 20, 2005 Egerstrom
20060060389 March 23, 2006 Hadin et al.
20060162965 July 27, 2006 Hadin
20070137900 June 21, 2007 Bjork
Patent History
Patent number: D611970
Type: Grant
Filed: Jul 23, 2008
Date of Patent: Mar 16, 2010
Assignee: Sandvik Intellectual Property AB (Sandviken)
Inventor: Jens Sundin (Gävle)
Primary Examiner: Sandra Snapp
Assistant Examiner: Patricia Palasik
Attorney: Drinker Biddle & Reath LLP
Application Number: 29/309,320
Classifications