Bed frame

FIG. 1 is a top, front and right side perspective view of a bed frame showing my new design;

FIG. 2 is a top view of a bed frame showing my new design;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front elevation thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a right side elevation view thereof; and,

FIG. 7 is a left side elevation view thereof.

The broken lines show portions of the bed frame that are the environment of the design, and that form no part of the clamed design.