Polygonal indexable cutting insert

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Description

FIG. 1 is a perspective view of an polygonal indexable cutting insert showing a first form of our new design;

FIG. 2 is a top plan view of the polygonal indexable cutting insert of FIG. 1;

FIG. 3 is a side view of the polygonal indexable cutting insert of FIG. 1;

FIG. 4 is a sectional view of the polygonal indexable cutting insert of FIG. 2 taken along line 4--4;

FIG. 5 is a sectional view of the polygonal indexable cutting insert of FIG. 2 taken along line 5--5;

FIG. 6 is a view of an polygonal indexable cutting insert showing a second form of our new design; and,

FIG. 7 is a view of an polygonal indexable cutting insert showing a third form of our new design.

The broken line showing is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
3882580 May 1975 Lundgren
4116576 September 26, 1978 Gawryk, Sr.
4218160 August 19, 1980 Arnold
4629371 December 16, 1986 Maeda et al.
4993893 February 19, 1991 Niebauer
5032049 July 16, 1991 Hessman et al.
5116167 May 26, 1992 Niebauer
5122107 June 16, 1992 Niebauer
5141367 August 25, 1992 Beeghly et al.
5147159 September 15, 1992 Lowe et al.
5199827 April 6, 1993 Pantzar
5222843 June 29, 1993 Katbi et al.
5330296 July 19, 1994 Beeghly et al.
5350258 September 27, 1994 Beeghly et al.
5476346 December 19, 1995 Lundstrom
Other references
  • TNMG-432-3S, TNMG 220408-3S. TNMG-432-GF, TNMG 220408-GF. TNMG-432-GR, TNMG 220408-GR.
Patent History
Patent number: D411551
Type: Grant
Filed: Jul 2, 1998
Date of Patent: Jun 29, 1999
Inventors: Thomas J. Bernadic (Madison Heights, MI), Karl Katbi (Troy, MI), Tony Lowe (Royal Oak, MI), Brendan Brockett (Dearborn Hts., MI)
Primary Examiner: Antoine Duval Davis
Attorney: Mary K. Cameron
Application Number: 0/90,218
Classifications
Current U.S. Class: Cutting Tool, E.g., Drill Bit, Etc. (D15/139)
International Classification: 1504;