Tray construction

Claim 1

IN A TRAY FOR INTERCHANGEABLE ADAPTION TO VARIOUS WASHER APPARATUS UPON CHANGE OF INDEX STRIP MEANS, THE IMPROVEMENT WHICH COMPRISES: AN ASSEMBLY OF A RECTANGULAR BASE FRAME AND A RECTANGULAR BASKET PERMANENTLY FIXED TOGETHER TO FORM SAID TRAY, SAID BASE INCLUDING AN ANGLE MEMBER EXTENDING ABOUT THE RECTANGULAR PERIMETER OF SAID TRAY AND HAVING A FLANGE EXTENDING INWARDLY RELATIVE TO SUCH PERIMETER, SAID ANGLE MEMBER HAVING APERTURES IN OPPOSITE SIDES OF THE RECTANGULAR PERIMETER, AND SAID BASKET INCLUDING A PLURALITY OF FIRST WIRE ELEMENTS EXTENDING ABOUT THE PERIMETER OF SAID TRAY AND SECOND WIRE ELEMENTS FIXED TO SAID FIRST WIRE ELEMENTS AND FORMING A FLOOR FRAME SPACED ABOVE THE PLANE OF THE INWARDLY EXTENDING FLANGE ON SAID BASE, SAID FLOOR FRAME AND SAID ANGLE MEMBER FORMING A SHALLOW SPACE IN THE TRAY WHICH IS OPEN FROM BELOW SAID FLOOR FRAME, SAID APERTURES OPENING INTO SAID SHOLLOW SPACE IN SPACED RELATION ABOVE SAID INWARDLY EXTENDING FLANGE AND BELOW SAID FLOOR FRAME; INDEX STRIP MEANS FOR SAID TRAY SELECTIVELY AND REMOVABLY POSITIONABLE IN THE SHALLOW SPACE BETWEEN SAID INWARDLY EXTENDING FLANGE ON SAID BASE AND SAID FLOOR FRAME, SAID INDEX STRIP MEANS INCLUDING MAIN STRUCTURAL MEMBERS HAVING OPPOSITE ENDS FORMED WITH THREADED SOCKETS AND SIZED TO FIT INTO SAID APERTURES; AND THREADED SECURING ELEMENTS EXTENDING THROUGH SAID APERTURES IN SAID ANGLE MEMBER AND DETACHABLY ENGAGED IN SAID THREADED SOCKETS TO SUSPEND SAID MAIN STRUCTURAL MEMBERS OF THE INDEX STRIP MEANS IN OPPOSITE SIDES OF THE RECTANGULAR PERIMETER.