Portable partition with telescoping tube support

Claim 1

FOR INCLUSION IN A WALL COMPOSED OF A PLURALITY OF SIMILAR PORTABLE PANELS AND ADAPTED TO REGISTER IN SIDEBY-SIDE RELATION WITH ONE ANOTHER, A WALL PANEL FOR POSITIONING BETWEEN THE FLOOR AND THE CEILING OF A BUILDING STRUCTURE COMPRISING: A PLANIFORM FRAME OF A VERTICAL HEIGHT LESS THAN THE DISTANCE BETWEEN THE FLOOR AND THE CEILING AND INCLUDING SPACED PARALLEL UPPER AND LOWER RAILS AND SPACED PARALLEL VERTICAL SUPPORTS WITH SAID SUPPORTS AND RAILS BEING CONNECTED TOGETHER AND OUTER COVERING PANELS DIMENSIONED TO CONGRUENTLY OVERLAY THE MAIN OUTER PLANES DEFINED BY THE RAILS AND SUPPORTS, SAID FRAME DEFINING A RIGHT PARALLELEPIPEDAL INNER CAVITY; A TELESCOPING TUBE SYSTEM VERTICALLY SECURED CENTRALLY IN THE CAVITY INCLUDING AN OUTER TUBE VERTICALLY SPANNING THE DISTANCE BETWEEN THE UPPER AND LOWER RAILS AND AN INNER TUBE CARRIED IN THE OUTER TUBE EXTENDIBLE WITH RESPECT TO THE OUTER TUBE AND FRAME BEYOND THE UPPER RAIL, SAID TUBE SYSTEM INCLUDING MEANS TO LOCK THE INNER TUBE IN A PREDETERMINED EXTENDED POSITION WITH RESPECT TO THE OUTER TUBE; A FOOT ON THE DISTAL EXTENDED END OF THE TUBE SYSTEM TO ENGAGE A CEILING;