Polygonal indexable cutting insert

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Description

FIG. 1 is a perspective view of a 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 the line 4--4;

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

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

FIG. 7 is a view of a 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
3557416 January 1971 Jones
3777341 December 1973 Heinrich et al.
3786541 January 1974 Lundgren
4189265 February 19, 1980 Arnold et al.
4334808 June 15, 1982 Seidel
4359300 November 16, 1982 Hazra et al.
4367990 January 11, 1983 Porat et al.
4411565 October 25, 1983 Hazra et al.
4685844 August 11, 1987 McCreery et al.
5116167 May 26, 1992 Niebauer
5141367 August 25, 1992 Beeghly et al.
5180258 January 19, 1993 Bernadic
Patent History
Patent number: D404745
Type: Grant
Filed: Apr 3, 1998
Date of Patent: Jan 26, 1999
Assignee: Valenite Inc. (Madison Hts., MI)
Inventors: Thomas Bernadic (Madison Hts., MI), John Patterson (Hazel Park, MI), Tony Lowe (Royal Oak, MI), Brendan Brockett (Dearborn, MI)
Primary Examiner: Antoine Duval Davis
Attorney: Mary K. Cameron
Application Number: 0/86,068
Classifications
Current U.S. Class: Cutting Tool, E.g., Drill Bit, Etc. (D15/139)
International Classification: 1509;