Resilient structureal beam

Claim 1

A RESILIENT SPACE DIVIDING STRUCTURE COMPRISING: (A) A PLANAR SURFACE FORMING UNIT, (B) A MONO-PLANAR GRID, (C) A PLURALITY OF RESILIENT FURRING STRIPS DISPOSED BE TWEEN SAID PLANAR SURFACE FORMING UNIT AND SAID MONO-PLANAR GRID, SAID FURRING STRIPS BEING SECURED TO SAID GRID, AND SAID PLANAR SURFACE FORMING UNIT BEING SECURED TO SAID FURRING STRIPS; EACH FURRING STRIP BEING AN ELONGATED STRUCTURAL BEAM HAVING A FIRST PLANAR WEB PORTION ADAPTED TO BE SECURED TO SAID GRID, AND A SECOND PLANAR WEB PORTION DISPOSED IN A PLANE PARALLEL TO SAID FIRST PLANAR WEB AND ADAPTED TO BE SECURED TO SAID PLANAR SURFACE FORMING UNIT, AN INTERMEDIATE STEPPED PORTION INCLUDING AN INTERMEDIATE PLANAR WEB PORTION HAVING LONGITUDINAL FLANGE PORTIONS DISPOSED ALONG EACH OF ITS MARGINAL EDGES, SAID FLANGES INTEGRALLY CONNECTED TO SAID PLANAR WEB PORTIONS ALONG ONE MARGINAL EDGE THEREOF, SAID INTERMEDIATE PLANAR WEB PORTION BEING SECURED TO SAID FLANGES PORTIONS AT SPACED INTERVALS ALONG THE ADJACENT MARGINAL EDGES, RESPECTIVELY, THE CONNECTIONS OF ONE EDGE BEING STAGGERED RELATIVE TO THE CONNECTIONS AT THE OTHER EDGE, SAID INTERMEDIATE STEPPED PORTION RESILIENTLY FLEXIBLY COACTING BETWEEN SAID PLANAR WEB PORTIONS THROUGH SAID INTEGRAL CONNECTIONS TO PERMIT RELATIVE DISPLACEMENT OF SAID PLANAR WEB PORTIONS WHEREBY SAID PLANAR SURFACE FORMING UNIT IS RESILIENTLY MOVABLE RELATIVE TO SAID MONO-PLANAR GRID.