Welding machine

FIG. 1 is a top, front, left side perspective view of a welding machine showing our new design;

FIG. 2 is a top, rear, right side perspective view thereof;

FIG. 3 is an enlarged front elevation view thereof;

FIG. 4 is an enlarged rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is an enlarged view of detail “ 9 ” (identified in FIG. 1 ), shown at a greater scale for clarity of disclosure;

FIG. 10 is an enlarged view of detail “ 10 ” (identified in FIG. 2 ), shown at a greater scale for clarity of disclosure; and,

FIG. 11 is an enlarged view of detail “ 11 ” (identified in FIG. 2 ), shown at a greater scale for clarity of disclosure.

The broken lines shown in the drawings depict portions of the welding machine that form no part of the claimed design. The dot-dash broken lines in FIGS. 1 , 2 , 9 , 10 and 11 depict the boundaries of the enlargements that form no part of the claimed design. None of the elements shown in broken lines form a part of the claimed design.