FIG. 1 is a front and top perspective view of a bed frame, showing my new design;
FIG. 2 is a rear and bottom perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is an enlarged view of detail 7 in FIG. 1;
FIG. 8 is an enlarged view of detail 8 in FIG. 1;
FIG. 9 is an enlarged view of detail 9 in FIG. 2; and,
FIG. 10 is an enlarged view of detail 10 in FIG. 2.
The dash dot dash lines in FIGS. 1, 2, 7, 8, 9 and 10 are for the purpose of depicting the cut line of the enlarged view and form no part of the claim. The evenly-spaced broken lines in the figures depict portions of the article that form no part of the claimed design.