Adjustable gasket support for rfi shielded cabinets

Claim 1

IN A CABINET HAVING CORNER POSTS AND CROSS BARS SPANNING THE SPACE BETWEEN TWO ADJACENT CORNER POSTS, MEANS FOR READILY DETACHABLY SECURING THE OPPOSITE END PORTIONS OF EACH CROSS BAR TO SAID ADJACENT POSTS AT EACH OF A NUMBER OF DIFFERENT LOCATIONS SPACED LONGTHWISE THEREOF, COMPRISING: (A) AN ATTACHING FLANGE SECURED TO AN EXTENDING LENGTHWISE ALONG EACH OF SAID ADJACENT CORNER POSTS, SAID FLANGES PROJECTING TOWARD ONE ANOTHER AND HAVING FACE PORTIONS TO FLATWISE OVERLAPPINGLY ENGAGE THE END PORTIONS OF THE CROSS BAR; (B) INTERCONNECTING MALE AND FEMALE LOCATING AND SUPPORTING ELEMENTS ON THE OVERLAPPING END PORTIONS OF THE CROSS BAR AND THE ATTACHING FLANGES, TO PRECLUDE ALL BUT FLATWISE SEPARATION OF EACH END PORTION OF THE CROSS BAR FROM ITS ATTACHING FLANGE, THE LOCATING AND SUPPORTING ELEMENTS ON THE ATTACHING FLANGES BEING DISPOSED AT A NUMBER OF LOCATIONS SPACED APART ALONG THEIR LENGTH SO AS TO BE SELECTIVELY INTERCONNECTABLE WITH THOSE ON THE END PORTIONS OF THE CROSS BAR AND THUS PROVIDE FOR SUPPORTING THE CROSS BAR AT DIFFERENT LOCATIONS; (C) AND MEANS FOR RELEASABLY HOLDING THE END PORTIONS OF THE CROSS BAR AGAINST FLATWISE SEPARATION FROM THEIR ADJACENT ATTACHING FLANGES, COMPRISING LATCH MEMBERS ON THE END PORTIONS OF THE CROSS BAR CONSTRAINED TO MOVE ALONG DEFINED PATHS FROM OPERATIVE POSITIONS OVERLYING AND SUBSTANTIALLY CLAMPING THE ATTACHING FLANGES BETWEEN THEM AND THE END PORTIONS OF THE CROSS BAR TO HOLD EACH OF SAID END PORTIONS AGAINST FLATWISE SEPARATION FROM ITS ATTACHING FLANGE IN ANY CONNECTED POSITION OF THE CROSS BAR ON THE ATTACHING FLANGES, TO INOPERATIVE POSITIONS DISENGAGED FROM THE ATTACHING FLANGES TO PERMIT DISCONNECTION OF SAID MALE AND FEMALE ELEMENTS.