Low profile panel fastener
FIG. 1 is a top and front perspective view of the low profile panel fastener showing my new design, the screw being shown biased to its upwardmost position by the spring; 
     FIG. 2 is a front view thereof the back view thereof being substantially the same but with the spring appropriately sloped; 
     FIG. 3 is a righthand side view thereof, the lefthand side view thereof being substantially the same except for the bottom termination of the spring; 
     FIG. 4 is a view similar to FIG. 2, but showing the screw fully seated against the retainer; 
     FIG. 5 is a top view thereof; 
     FIG. 6 is a bottom view thereof; and 
     FIG. 7 is a top and front perspective view of a second embodiment of the design of FIG. 1, the only differences being the angled knurl and the annular groove around the retainer.