Storage rack

Claim 1

A STORAGE RACK COMPRISING A PAIR OF SPACED UPRIGHT FRONT POST MEMBERS; A PAIR OF UPRIGHT REAR POST MEMBERS SPACED FROM EACH OTHER AND FROM SAID FRONT POST MEMBERS; EACH OF SAID POST MEMBERS HAVING THEREIN A SERIES OF VERTICALLY SPACED APERTURES, THE RESPECTIVE SERIES OF APERTURES IN THE POSTS BEING SUBSTANTIALLY IDENTICAL INDIVIDUALLY AND HAVING THE SAME CENTER-TO-CENTER SPACING, THE APERTURES IN SAID FRONT POST MEMBERS BEING STAGGERED VERTICALLY WITH RESPECT TO THE APERTURES IN SAID REAR POST MEMBERS BY AN AMOUNT EQUAL TO APPROXIMATELY ONE-HALF SAID CENTER-TO-CENTER SPACING; A HORIZONTAL STRINGER SPANING SAID FRONT POST MEMBERS AND CONNECTED THERETO AT ITS ENDS BY CONNECTOR ELEMENTS, EACH OF SAID CONNECTOR ELEMENTS HAVING AT LEAST ONE PROJECTION ENGAGEABLE WITH AN APERTURE IN ONE OF SAID POST MEMBERS; A SECOND HORIZONTAL STRINGER SPANNING SAID REAR POST MEMBERS AND CONNECTED THERETO BY CONNECTOR ELEMENTS EQUIVALENT TO THE FIRST-MENTIONED CONNECTOR ELEMENTS; THE VERTICAL RELATIONSHIP BETWEEN THE UPPER SUPPORTING SURFACE OF THE FIRST-MENTIONED STRINGER AND THE PROJECTIONS ON ITS ASSOCIATED CONNECTOR ELEMENTS BEING DIFFERENT FROM THAT RELATIONSHIP OF SAID SECOND STRINGER TO THE PROJECTIONS ON ITS ASSOCIATED CONNECTOR ELEMENTS BY AN AMOUNT APPROXIMATELY EQUAL TO ONE-HALF SAID CENTER-TO-CENTER SPACING OF THE APERTURES; WHEREBY THE FIRST-MENTIONED AND SECOND STRINGERS ARE INTERCHANGEABLE BETWEEN SAID FRONT AND REAR POST MEMBERS OF HEIGHT ADJUSTMENTS EQUAL TO ONE-HALF SAID CENTER-TO-CENTER SPACING OR MULTIPLES THEREOF.