The ornamental design for foot assembly for machine legs, as shown and described.
FIG. 1 is a perspective view of a foot assembly for machine legs, showing the new design;
FIG. 2 is a front elevational view thereof; the rear elevational view is identical thereto;
FIG. 3 is a left side view thereof; the right side view is identical thereto;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a cross section view thereof, taken along line “6-6” of FIG. 2; and,
FIG. 7 is a perspective view showing the design is in a state of use.
The broken lines in the drawings show portions of the foot assembly for machine legs that form no part of the claimed design. The broken lines showing nuts and a bolt in FIG. 7 illustrates environment that forms no part of the claimed design.