Tray overload extender

Claim 1

IN AN OPEN-TOP TRAY AND VERTICAL EXTENDER COMBINATION WHEREIN SAID TRAY IS OF GENERALLY RECTANGULAR SHAPE AND INCLUDES FOUR UPRIGHT SIDE WALLS, AND SAID EXTENDER COMPRISES AN EXTENSION OF THESE SIDE WALLS TO PERMIT RELATIVELY DEEP AND FRAGILE ITEMS TO BE SAFELY TRANSPORTED THEREIN WITHOUT BEING CRUSHED WHEN A PLURALITY OF TRAY AND EXTENDER COMBINATIONS ARE VERTICALLY STACKED, SAID TRAY BEING FORMED OF SHEET METAL, AND AT LEAST TWO OF SAID VERTICAL SIDE WALLS HAVING HORIZONTAL AND ELONGATEINDENTATIONS FORMED THEREIN AND FACING HORIZONTALLY INWARDLY TOWARD ONE ANOTHER, THE IMPROVEMENT COMPRISING: AN EXTENDER HAVING AN UPPER WIRE MEMBER LYING IN A GENERALLY HORIZONTAL PLANE FORMING A CLOSED RECTANGULAR LOOP HAVING TWO PAIR OF SPACED APART PARALLEL PORTIONS OF GENERALLY THE SAME DIMENSIONS AS SAID RECTANGULAR TRAY; A LOWER WIRE MEMBER HAVING THE SAME CONFIGURATION AS SAID UPPER WIRE MEMBER, SAID LOWER WIRE MEMBER BEING ALIGNED WITH AND SPACED BELOW SAID UPPER WIRE MEMBER TO THEREBY DEFINE A FIRST AND SECOND PAIR OF PARALLEL AND GENERALLY VERTICAL EXTENDER SIDE WALLS; A FIRST PLURALITY AND SPACED AND UPRIGHT SUPPORT WIRES WELDED TO AND EXTENDING BETWEEN THE WIRE MEMBER PORTIONS IN EACH OF SAID FIRST PAIR OF EXTENDER SIDE WALLS; A SECOND PLURALITY OF UPRIGHT SUPPORT WIRES WELDED TO EACH OF SAID SECOND PAIR OF EXTENDER SIDE WALLS AND EXTENDING THEREBELOW TO LOWER SIDE WALL PORTIONS HAVING AN OUTWARDLY FACING SIDE; A HORIZONTAL WIRE WELDED TO AND ALONG THE OUTWARDLY FACING SIDE OF SAID LOWER PORTIONS FOR REMOVABLE INSERTION WITHIN SAID ELONGATE INDENTATIONS TO FORM AN INTERLOCKING TRAY AND EXTENDER UNIT; AND WIRE MEANS WELDED NEAR THE TOP OF SAID EXTENDER FOR BRACING SAME AND PROVIDING A SUPPORT FOR AN IDENTICAL TRAY AND EXTENDER UNIT STACKED THEREABOVE.