Cutting tool insert

- Kennametal Inc.
Description

FIG. 1 is a top and left side perspective view of a cutting tool insert showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a right side elevational view;

FIG. 4 is a bottom plan view;

FIG. 5 is a cross sectional view taken along line 5--5 in FIG. 2;

FIG. 6 is a top and left side perspective view showing a second embodiment of that shown in FIGS. 1-5;

FIG. 7 is a top plan view;

FIG. 8 is a right side elevational view;

FIG. 9 is a bottom plan view; and

FIG. 10 is a cross-sectional view taken along line 10--10 in FIG. 7 thereof .

Referenced Cited
U.S. Patent Documents
D280514 September 10, 1985 Porat et al.
3636602 January 1972 Owen
3792514 February 1974 Ushijima
3968550 July 13, 1976 Gehri
4318644 March 9, 1982 Seidel
4359300 November 16, 1982 Hazra et al.
4411565 October 25, 1983 Hazra et al.
4507024 March 26, 1985 Stasko
4741649 May 3, 1988 Mori
4787784 November 29, 1988 Bernadi et al.
Foreign Patent Documents
0046511 February 1982 EPX
2252350 May 1973 DEX
5235380 March 1977 JPX
Patent History
Patent number: D308975
Type: Grant
Filed: Jan 22, 1988
Date of Patent: Jul 3, 1990
Assignee: Kennametal Inc. (Latrobe, PA)
Inventor: Kenneth L. Niebauer (Raleigh, NC)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Jeffrey Asch
Attorney: Thomas R. Trempus
Application Number: 7/147,002