Storage racks

Claim 1

IN A RACK, AN OPEN RIGID FRAME STRUCTURE COMPRISING A PAIR OF RIGID OPPOSITE END FRAMES, A PLURALITY OF HORIZONTALLY EXTENDING STRINGER MEMBERS INTERPOSED BETWEEN SAID END FRAMES FOR MAINTAINING THE SAME UPRIGHT, EACH OF SAID FRAMES INCLUDING A PAIR OF CORNER POSTS OF CHANNEL SHAPE IN TRANSVERSE SECTION, THE OPPOSITE SIDE WALLS OF EACH OF SAID POSTS BEING TURNED OUTWARDLY FROM ONE ANOTHER AND BACK UPON THEMSELVES THEREBY TO FORM LONGITUDINALLY EXTENDING GROOVES, SAID PAIR OF POSTS BEING DISPOSED WITH THEIR BASE WALLS FORMING THE NARROW VERTICALLY EXTENDING OUTER EDGES OF SAID FRAME, AND MEANS AT EACH END OF EACH STRINGER MEMBER FOR QUICK DETACHABLY CONNECTING THE END OF THE STRINGER MEMBER TO THE ASSOCIATED POST INCLUDING A CONNECTION PLATE INTERPOSED BETWEEN THE END OF THE STRINGER MEMBER AND THE POST, THE END OF THE STRINGER MEMBER BEING RIGIDLY SECURED TO THE CONNECTION PLATE, AND THE LATTER ABUTTING THE OPPOSED SIDE WALL OF THE POST, SAID PLATE HAVING ONE VERTICALLY EXTENDING MARGINAL PORTION SNUGLY NESTED IN THE OPPOSED VERTICALL EXTENDING POST GROOVE, AND HAVING THE OPPOSITE SIDE MARGINAL PORTION TURNED OVER THE BASE WALL OF THE POST AND REMOVABLY INTERLOCKED THEREWITH.