Conductive washer

Claim 1

IN AN ELEVATED METAL FLOOR SYSTEM, T HE COMBINATION OF A PLURALITY OF PANELS HAVING DOWNWARDLY DEPENDING FLANGES ALONG PERIPHERAL EDGES THEREOF, SAID PANELS DISPOSED IN EDGE ABUTTIONG RELATIONSHIP WITH THE DEPENDING FLANGES RESTING ON SPACED SUPPORTING PEDESTALS, EACH OF SAID PEDESTALS HAVING A SUBSTANTIALLY PLANAR SUPPORT SURFACE ON THE TOP PORTION THEREOF, SAID PEDESTALS BEING LOCATED BENEATH THE PANELS AT THE ABUTTING EDGES OF A PLURALITY OF SAID PANELS, A WASHER RESTING ON THE SUPPORT SURFACE OF THE PEDESTAL AND DISPOSED BETWEEN THE SUPPORT SURFACE AND THE DEPENDING FLANGES, SAID WASHER COMPRISING A SHEET OF ELECTRICALLY INSULATIVE RESILIENT MATERIAL, AN OPEN FRAME OF ELECTRICALLY CONDUCTING MATERIAL DISPOSED ON THE TOP PERIPHERAL EDGE SURFACE OF THE RESILIENT SHEET<, AND IN CONTACT WITH THE DEPENDING FLANGES, A PLURALITY OF TABS OF ELECTRICALLY CONDUCTIVE MATERIAL INTEGRAL WITH AND DISPOSED AROUND THE PERIPHERAL EDGE OF SAID FRAME, SAID TABS EXTENDING DOWNWARDLY AROUND THE EDGES OF SAID RESILIENT SHEET AND INTO CONTACT WITH THE PEDESTAL SUPPORT SURFACE.