Convertible electrical assemblies

Claim 1

IN A CONVERTIBLE ELECTRICAL ASSEMBLY OF THE TYPE DESCRIBED, THE COMBINATION OF TWO SIDE MEMBERS EACH HAVING AN ELONGATED EDGE; MEANS MECHANICALLY INTERCONNECTING SAID SIDE MEMBERS TO MAINTAIN THE SAME IN SPACED RELATION WITH SAID EDGES LYING IN A COMMON PLANE; A FIRST PANEL EXTENDING OVER SAID EDGES OF BOTH OF SAID SIDE MEMBERS AND SECURED THERETO, SAID FIRST PANEL HAVING AN EDGE EXTENDING TRANSVERSELY RELATIVE TO SAID SIDE MEMBERS, SAID SIDE MEMBERS BOTH HAVING PORTIONS PROJECTING AWAY FROM SAID EDGE OF SAID FIRST PANEL; A SECOND PANEL EXTENDING OVER BOTH OF SAID PROJECTING PORTIONS OF SAID SIDE MEMBERS AND SECURED THERETO, SAID SECOND PANEL HAVING AN EDGE SPACED FROM SAID EDGE OF SAID FIRST PANEL; TWO SUPPORT MEMBERS EACH DISPOSED BESIDE AND EXTENDING AT LEAST GENERALLY PARALLEL TO DIFFERENT ONE OF SAID SIDE MEMBERS AND REMOVABLY ATTACHED TO THE COMBINATION OF SAID SIDE MEMBERS AND SAID FIRST AND SECOND PANELS, EACH OF SAID SUPPORT MEMBERS INCLUDING A PANEL MOUNTING PORTION PROJECTING THROUGH THE SPACED BETWEEN SAID EDGE OF SAID FIRST AND SECOND PANELS AND THENCE AWAY FROM SAID FIRST AND SECOND PANELS, AND FOOT MEANS ADAPTED TO ENGAGE A GENERALLY HORIZONTAL SUPPORTING SURFACE; AND A THIRD PANEL DETACHABLY SECURED TO SAID PANEL MOUNTING PORTIONS OF SAID SUPPORT MEMBERS, SAID THIRD PANEL BEING OF SUCH SIZE AND SHAPE AS TO FILL THE SPACE BETWEEN SAID EDGES OF SAID FIRST AND SECOND PANELS, WHEREBY, UPON REMOVAL OF SAID SUPPORT MEMBERS AND DETACHMENT OF SAID THIRD PANEL THEREFROM, SAID THIRD PANEL CAN BE POSITIONED BETWEEN SAID FIRST AND SECOND PANELS AND SECURED TO SAID SIDE MEMBERS.