Rock drilling tool with ovate cutters
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FIG. 1 is a top plan view of a rock drilling tool with ovate cutters embodying the invention.
FIG. 2 is side elevational view of the FIG. 1 embodiment, the opposite side being a mirror image.
FIG. 3 is another side elevational view of the FIG. 1 embodiment, as rotated 90° from the FIG. 2 view, and the opposite side thereof being a mirror image.
FIG. 4 is a perspective view of the rock drilling tool with ovate cutters of FIG. 1.
FIG. 5 is a top plan view of a second embodiment of a rock drilling tool with ovate cutters embodying the invention.
FIG. 6 is a side elevational view of the FIG. 5 embodiment, the opposite side being a mirror image.
FIG. 7 is another side elevational view of the second embodiment, as rotated 90° from the FIG. 6 view, and the opposite side being a mirror image.
FIG. 8 is a perspective view of the rock drilling tool with ovate cutters of FIG. 5.
FIG. 9 is a top plan view of a third embodiment of a rock drilling tool embodying the invention.
FIG. 10 is a side elevational view of the FIG. 9 embodiment, the opposite side being a mirror image.
FIG. 11 is another side elevational view of the third embodiment, as rotated 90° from the FIG. 10 view, and the opposite side being a mirror image; and,
FIG. 12 is a perspective view of the rock drilling tool with ovate cutters of FIG. 9.
The representation of the fragmentary mounting base of the rock drilling tool is shown in phantom lines for environmental purposes only and is non-limiting upon the scope of the invention.
The broken line showing of the mounting base is for illustrative purposes only and forms no part of the claimed design.
Claims
The ornamental design for a rock drilling tool with ovate cutters, as shown and described.
2578593 | December 1951 | Phipps |
3163246 | December 1964 | Vagins et al. |
5180022 | January 19, 1993 | Brady |
D340248 | October 12, 1993 | Brady |
5303787 | April 19, 1994 | Brady |
D351174 | October 4, 1994 | Brady |
5429199 | July 4, 1995 | Sheirer et al. |
6044920 | April 4, 2000 | Massa et al. |
D424579 | May 9, 2000 | Brady |
D430578 | September 5, 2000 | Brady |
D487753 | March 23, 2004 | Brady |
6883624 | April 26, 2005 | McDonough |
Type: Grant
Filed: Jul 8, 2004
Date of Patent: Jan 31, 2006
Assignee:
Inventor: William J. Brady (Creve Coeur, MO)
Primary Examiner: Stella Reid
Assistant Examiner: Mark A. Goodwin
Attorney: Richard G. Heywood
Application Number: 29/208,920