Structural framing system

Claim 1

IN A STRUCTURAL FRAMING SYSTEM, THE COMBINATION OF (A) A PAIR OF SUPPORT MEMBERS, EACH COMPRISING AN ELONGATED ELEMENT OF SUBSTANTIALLY UNIFORM CROSS-SECTIONAL SHAPE, (B) SAID ELEMENTS EACH HAVING AT LEAST ONE FLAT SIDE PROVIDING WITH A SUBSTANTIALLY MEDIAL LONGITUDINALLY EXTENDING RECESS, (C) A PAIR OF FLANGES EXTENDING INTO SAID RECESSES FROM EACH SIDE THEREOF, THE INNERMOST PAIR OF SAID FLANGES BEING MORE CLOSELY SPACED THAN THE OUTERMOST PAIR OF SAID FLANGES, (D) SAID ELEMENTS BEING DISPOSED ON RESPECTIVELY NORMAL AXES WITH THE END OF ONE ELEMENT ABUTTING THE RECESSED SIDE OF THE OTHER ELEMENT, AND THE RECESSES OF SAID ELEMENTS FACING EACH OTHER, (E) CONNECTING MEANS COMPRISING AN ANGLE BRACKET DISPOSED IN THE RECESSES OF SAID ELEMENTS, SAID ANGLE BRACKET BEING DIMENSIONED TO PASS BETWEEN SAID OUTERMOST PAIRS OF FLANGES AND TO ENGAGE AGAINST SAID INNERMOST PAIRS OF FLANGES AND MEANS CLAMPING SAID BRACKET TO SAID INNERMOST PAIRS OF FLANGES, (F) THE END PORTIONS OF SAID BRACKET EACH PROVIDED WITH AN END PART DISPLACED FROM THE PLANE OF SAID END PORTION, AND (G) SAID END PARTS EACH BEING DIMENSIONED TO FIT CLOSELY BETWEEN AND BEING DISPOSED TO ENGAGE THE INNER EDGES OF SAID INNERMOST PAIRS OF FLANGES TO LIMIT LATERAL DISPLACEMET OF SAID BRACKET WITH RESPECT TO SAID ELEMENTS.