Supporting frame

Claim 1

A SUPPORTING FRAME FOR PRODUCING A STAND, TABLE, BRACKET, OR THE LIKE COMPRISING AT LEAST ONE POST AND AT LEAST ONE BAR, SAID POST HAVING AT LEAST A PART OF A USHAPED CROSS SECTION AND AT LEAST ONE INWARDLY PROJECTING TAB ON THE INNER SIDE AT LEAST ONE FLANGE OF SAID PART, SAID TAB BEING INCLINED TO THE CENTRAL WEB OF SAID PART, AND TOGETHER WITH SAID CENTRAL WEB FORMING THE WALLS OF A DOWNWARDLY TAPERING SOCKET, SAID BAR HAVING AT LEAST ONE END PART OF A U-SHAPED CROSS SECTION, THE OUTER SURFACES OF THE FLANGES OF SAID END PART BEING SPACED FROM EACH OTHER AT A DISTANCE SLIGHTLY SMALLER THAN THE DISTANCE BETWEEN THE INNER SURFACES OF THE FLANGES OF SAID U-SHAPED PART OF SAID POST SO AS TO PERMIT SAID END PART OF SAID BAR TO BE INSERTED BETWEEN SAID FLANGES OF SAID POST IN A POSITION IN WHICH SAID FLANGES OF SAID END PART OF SAID BAR EXTEND DOWNWARDLY FROM THE CENTRAL WEB THEREOF AND SAID BAR EXTENDS LONGITUDINALLY AT AN ANGLE TO SAID POST, WHILE THE END SURFACES OF SAID FLANGES OF SAID END PART OF SAID BAR EXTEND PARALLEL TO THE CENTRAL WEB OF SAID POST, SAID BAR HAVING A SLOT IN AT LEAST ONE FLANGE OF SAID END PART, SAID SLOT BEING INCLINED TO AND SPACED FROM THE ADJACENT END SURFACE OF SAID FLANGE AT AN ANGLE AND A MEDIUM DISTANCE SUBSTANTIALLY EQUAL TO THE INCLINATION AND MEDIUM DISTANCE OF SAID TAB TO THE CENTRAL WEB OF ONE OF SAID POSTS SO THAT THE END PORTIONS BETWEEN SAID INCLINED SLOTS AND THE ADJACENT END SURFACES OF SAID BAR HAVE A WEDGELIKE SHAPE FITTED FROM ABOVE INTO SAID SOCKETS ON SAID POSTS AND TIGHTLY WEDGED THEREIN WHEN A LOAD IS EXERTED UPON SAID BAR, SAID TAB BEING INTEGRAL WITH SAID FLANGE OF SAID BAR AND FORMED BY SEVERING A PART OF ALL SIDES EXCEPT ONE FROM SAID FLANGE AND BENDING SAID PART INWARDLY ABOUT THE UNSEVERED SIDE, THUS LEAVING AN APERTURE IN SAID WEB OF A SIZE AT LEAST EQUAL TO THE SIZE OF SAID TAB.