Internal tank of fire pit

FIG. 1 is a perspective view of an internal tank of fire pit showing our present design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a bottom perspective view thereof.

FIG. 9 is a partial cross-sectional view taken along line 9 - 9 in FIG. 6 ; and,

FIG. 10 is a perspective view of the internal tank of fire pit in using condition.

The broken lines in the drawings illustrate portions of the internal tank of fire pit which form no part of the claimed design.