Frame structure for cabinets and the like

Claim 1

A FRAME STRUCTURE FOR CABINETS AND THE LIKE COMPRISING A CORNER POST VERTICALLY DISPOSED IN EACH CORNER OF THE STRUCTURE, EACH CORNER POST BEING A METALLIC EXTRUSION RECTANGULAR IN CROSS SECTION AND BEING FORMED ON ONE SIDE WITH A PLURALITY OF T SLOTS EXTENDING LENGTHWISE OF THE POSTS AND SAID POSTS BEING FORMED WITH A SINGLE T SLOT EXTENDING LENGTHWISE IN ONE EDGE THEREOF, HORIZONTALLY DISPOSED RAILS EXTENDING FROM ONE CORNER POST TO ANOTHER, SAID RAILS BEING FORMED WITH T SLOTS ON THEIR INNER SIDES, A GUSSET POSITIONED AT THE JOINDER OF EACH END OF SAID RAILS AND THE CONTIGUOUS CORNER POST, EACH OF SAID GUSSETS HAVING A RIGHT ANGLE SHAPED BASE WITH FLANGES EXTENDING VERTICALLY FROM THE SIDE EDGES OF SAID BASE, SAID FLANGES OVERLYING THE INNER SIDES OF THE END PORTIONS OF SAID RAILS AND A PORTION OF THE INNER SIDE OF THE CONTIGUOUS POST, EACH OF SAID FLANGES BEING FORMED WITH PROJECTIONS EXTENDING INTO T SLOTS IN SAID RAILS AND FASTENERS EXTENDING THROUGH SAID FLANGES INTO THE T SLOTS OF SAID RAILS AND ONE OF SAID PLURALITY OF SLOTS IN SAID CORNER POST AND BEING COOPERABLE THEREWITH TO DETACHABLY SECURE SAID RAILS TO THE CORNER POSTS.