Multiple use knockdown unit

Claim 1

IN A UNIT OF THE CLASS DESCRIBED, A HORIZONTAL PANEL HAVING CORNER PORTIONS EACH PROVIDED INWARDLY OF ADJACENT MARGINAL EDGES WITH LEG ACCOMMODATING, ASSEMBLING AND RETAINING HOLES EACH OF THE SAME DIAMETER, AND FOUR INTERCHANGEABLE PANEL SUPPORTING LEGS, EACH LEG BEING TRUNCATED CONICAL IN FORM AND GRADUALLY AND PROGRESSIVELY INCREASING IN CROSS-SECTION FROM AN UPPER FLAT END AND TAPERING UNIFORMLY DOWNWARDLY TO A LOWER FLAT END, SAID UPPER AND LOWER ENDS BEING HORIZONTAL AND PARALLEL TO EACH OTHER WHEN IN USE, THE LOWER FLAT END OF EACH LEG BEING OF AN AREA SUFFICIENT THAT WHEN SEATED ON A SUPPORT SURFACE IT RENDERS THE LEG SELF-STANDING, THE PERIPHERAL SURFACE OF EACH LEG HAVING MEANS INCLUDING A PLURALITY OF SELECTIVELY USABLE CIRCUMFERENTIALLY SPACED PANEL-ASSEMBLING AND KEYING GROOVES, SAID GROOVES BEING LINEARLY STRAIGHT FROM END TO END, EQUIDISTANT FROM EACH OTHER AND THE BOTTOM PORTIONS OF SAID GROOVES BEING PARALLEL TO THE LEG AXIS AND OPENING THROUGH SAID UPPER AND LOWER ENDS, THE PERIPHERAL SURFACES OF THE LEGS BETWEEN SAID GROOVES BEING UNINTERRUPTEDLY SMOOTH, UPPER PORTIONS OF SAID LEGS PROJECTING THROUGH AND BEYOND THE AFOREMENTIONED HOLES, LOWER PORTIONS OF SAID LEGS DEPENDING BELOW THE PLANE OF SAID PANEL, THE MEDIAN PORTIONS OF SAID LEGS BEING FRICTIONALLY LODGED AND WEDGED IN THEIR RESPECTIVE HOLES IN A MANNER TO ASSEMBLE AND JOIN THE LEGS AND PANEL TOGETHER.