Patent ID: 7597516

Claim:
A fastener device securable to electrical equipment comprising an external surface, said fastener device comprising: a head comprising a bottom surface; a shaft extending from the bottom surface of the head; at least two projections extending from the bottom surface of the head, the at least two projections comprising: a leading projection comprising a first generally planar surface extending from the bottom surface of the head to an edge and a second generally planar surface extending from the edge back to the bottom surface of the head to form an apex; a trailing projection comprising a first generally planar surface extending from the bottom surface of the head to a first edge, a second generally planar surface extending from the first edge to a second edge to form a flat surface and a third generally planar surface extending from the second edge back to the bottom surface of the head; and wherein the apex of the leading projection and the flat surface of the trailing projection are positioned at different elevations relative to the bottom surface of the head, with both of said apex of the leading projection and said flat surface of the trailing projection positioned to contact the external surface of the electrical equipment after securement of the fastener device to the electrical equipment.