Extruded and apertured construction members

Claim 1

A CONSTRUCTION MEMBER FOR THE FABRICATION OF ASSEMBLED FURNITURE AND LIKE STRUCTURE ITEMS, COMPRISING A HOLLOW ELONGATED EXTRUSION OF CLOSED, GENERALLY SQUARE CROSS SECTION DEFINED BY WALLS AT LEAST SOME OF WHICH HAVE EXTERNAL DOVETAIL TYPE RECESSES EXTENDING ALONG LENGTHWISE ZONES THEREOF, ONE OF SAID RECESSED WALLS HAVING A NUMBER OF APERTURES THROUGH THE RECESSED ZONE THEREOF, INCLUDING LONGITUDINALLY SPACED APERTURES OF PREDETERMINED SIZE, AN OPPOSED WALL ALSO HAVING A NUMBER OF APERTURES THERETHROUGH, INCLUDING LONGITUDINALLY SPACED APERTURES OF SMALLER SIZE THAN AND IN ALIGNMENT RESPECTIVELY WITH THE LARGER SIZED APERTURES OF SAID ONE WALL FOR THE RECEPTION OF HEADED SECURING ELEMENTS THROUGH SAID WALLS, WITH THE HEADS OF SAID ELEMENTS IN SECURING RELATION TO THE INNER SURFACE OF SAID OPPOSED WALL, AND AN ELONGATED FINISH STRIP HAVING A WIDTH SUBSTANTIALLY EQUALING THAT OF SAID DOVETAIL RECESS AND SECURED IN DOVETAIL FASHION IN THE LATTER TO EXTEND THEREALONG AND COVER THE APERTURES THEREOF.