Patent ID: 7604444

Claim:
A fastener assembly for securing an object to a structure having a slot, the fastener assembly comprising: an elongate body having a first face constituting an inside face, an opposite face constituting an outside face, opposite sides, and opposite ends; a washer having a first face constituting an inside face opposing and spaced from the outside face of the elongate body, and a second face constituting an outside face; an opening through the washer; and a coil spring interposed between the elongate body and the washer, said spring having a longitudinal axis generally aligned with the opening in the washer, a first end affixed to the elongate body, and a second end affixed to the washer, said coil spring being axially extendable from a non-extended position to permit the elongate body and the washer to move away from one another generally along said axis, and said coil spring being operable when axially extended to urge the elongate body and washer to move toward one another generally along said axis; said elongate body and washer being free of contact with one another when said spring is in said non-extended position.