Throwaway insert for metal cutting tool

FIG. 1 is a perspective view of a throwaway insert for a metal cutting tool of a first embodiment;

FIG. 2 is a front view thereof;

FIG. 3 is a plan view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left-hand side view thereof;

FIG. 7 is a right-hand side view thereof;

FIG. 8 is a sectional view taken along line 8 — 8 of FIG. 2 ;

FIG. 9 is a perspective view of the throwaway insert for a metal cutting tool in use;

FIG. 10 is an elevation view of the throwaway insert for a metal cutting tool in use;

FIG. 11 is a perspective view of a throwaway insert for a metal cutting tool of a second embodiment;

FIG. 12 is a front view thereof;

FIG. 13 is a plan view thereof;

FIG. 14 is a rear view thereof;

FIG. 15 is a bottom view thereof;

FIG. 16 is a left-hand side view thereof;

FIG. 17 is a right-hand side view thereof;

FIG. 18 is a sectional view taken along line 18 — 18 of FIG. 12 ;

FIG. 19 is a perspective view of the throwaway insert for a metal cutting tool in use;

FIG. 20 is an elevation view of the throwaway insert for a metal cutting tool in use;

FIG. 21 is a perspective view of a throwaway insert for a metal cutting tool of a third embodiment;

FIG. 22 is a front view thereof;

FIG. 23 is a plan view thereof;

FIG. 24 is a rear view thereof;

FIG. 25 is a bottom view thereof;

FIG. 26 is a left-hand side view thereof;

FIG. 27 is a right-hand side view thereof;

FIG. 28 is a sectional view taken along line 28 — 28 of FIG. 22 ;

FIG. 29 is a perspective view of the throwaway insert for a metal cutting tool in use; and,

FIG. 30 is an elevation view of the throwaway insert for a metal cutting tool in use.

The broken lines in the drawings depict unclaimed environmental subject matter.