Cutting tool inserts

- Kennametal Inc.
Description

FIG. 1 is an isometric view of a cutting tool insert in accordance with a first embodiment of the subject invention;

FIG. 2 is a top plan view of FIG. 1, wherein the bottom plan view is identical;

FIG. 3 is a side elevation view from any side of the cutting tool insert in FIG. 2;

FIG. 4 is a cross-sectional view taken along lines "4--4" in FIG. 1;

FIG. 5 is an isometric view of a cutting tool insert in accordance with the second embodiment of the subject invention;

FIG. 6 is a top plan view of FIG. 5, wherein the bottom plan view is identical;

FIG. 7 is a side elevation view from any side of the cutting tool insert in FIG. 5;

FIG. 8 is a cross-section view taken along lines "8--8" in FIG. 5;

FIG. 9 is an isometric view of a cutting tool insert in accordance with a third embodiment of the subject invention;

FIG. 10 is a top plan view of FIG. 9, wherein the bottom plan view is identical;

FIG. 11 is a side elevation view looking at the right side of the cutting tool insert in FIG. 10;

FIG. 12 is a side elevation view looking at the cutting tool insert in FIG. 10 from the bottom of the page;

FIG. 13 is a cross-section view taken along lines "13--13" of FIG. 10;

FIG. 14 is a cross-section view taken along lines "14--14" of FIG. 10;

FIG. 15 is a cross-section view taken along lines "15--15" of FIG. 10;

FIG. 16 is an isometric view of a cutting tool insert in certain accordance with a fourth embodiment of the subject invention;

FIG. 17 is a top plan view of FIG. 16, wherein the bottom plan view is identical;

FIG. 18 is a side elevation view looking at the right side of the cutting tool insert in FIG. 17;

FIG. 19 is a side elevation view looking at the cutting tool insert in FIG. 17 from the bottom of the page;

FIG. 20 is a cross-section view taken along lines "20--20" of FIG. 17;

FIG. 21 is a cross-section view taken along lines "21--21" of FIG. 17;

FIG. 22 is a cross-section view taken along lines "22--22" of FIG. 17;

FIG. 23 is an isometric view of a cutting tool insert in accordance with a fifth embodiment of the subject invention;

FIG. 24 is a top plan view of FIG. 23, wherein the bottom plan view is identical;

FIG. 25 is a side elevation view looking at the right side of the cutting tool insert in FIG. 24;

FIG. 26 is a side elevation view looking at the cutting tool insert in FIG. 24 from the bottom of the page;

FIG. 27 is a cross-section view taken along lines "27--27" of FIG. 24;

FIG. 28 is a cross-section view taken along lines "28--28" of FIG. 24; and,

FIG. 29 is cross-section view taken along lines "29--29" of FIG. 24.

Referenced Cited
U.S. Patent Documents
D305239 December 26, 1989 Niebauer
D357693 April 25, 1995 Niebauer
Patent History
Patent number: D409632
Type: Grant
Filed: Feb 20, 1998
Date of Patent: May 11, 1999
Assignee: Kennametal Inc. (Latrobe, PA)
Inventors: Rudi Hartlohner (Tuchenbach), Franz Havrda (Grossenseebach)
Primary Examiner: Antoine Duval Davis
Attorney: John J. Prizzi
Application Number: 0/83,969
Classifications
Current U.S. Class: Cutting Tool, E.g., Drill Bit, Etc. (D15/139)
International Classification: 1509;