Height adjustable desk

FIG. 1 is a perspective view of a height adjustable desk, showing my new design;

FIG. 2 is a perspective view, in an extended position thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a rear side view thereof;

FIG. 7 is a left side view thereof; and,

FIG. 8 is an annotated view at A point thereof.

The broken lines depict portions of the article that form no part of the claim design.