Collapsible wall unit for stacking on pallets

Claim 1

A COLLAPSIBLE WALL UNIT ADAPTED TO BE STACKED ON A PALLET HAVING RIGHT ANGLE CORNERS TO DEFINE AN OPEN CONTAINER, COMPRISING; TWO FIRST RIGID SIDEWALL MEMBERS EACH HAVING A HEIGHT DIMENSION AND LENGTH DIMENSION THAT IS SLIGHTLY LESS THAN ONE EDGE DIMENSION OF SAID PALLET; FOUR FIRST HINGE MEMBERS EACH HAVING ONE STRAP PORTION SECURED TO THE FOUR ENDS OF SAID SIDEWALL MEMBERS; FOUR SECOND SIDEWALL MEMBERS OF SUBSTANTIALLY EQUAL DIMENSIONS AND EACH HAVING A HEIGHT DIMENSION CORRESPONDING TO THE HEIGHT OF SAID FIRST PAIR OF SIDEWALLS, A LENGTH DIMENSION EQUAL TO ABOUT HALF THE REMAINING EDGE DIMENSION OF SAID PALLET, AND ONE END SECURED TO THE REMAINING STRAP OF SAID FIRST HINGE; TWO SECONDS HINGES HAVING THEIR RESPECTIVE STRAPS SECURED TO THE REMAINING ENDS OF SAID SECOND SIDEWALL MEMBERS, WHEREBY SAID FIRST AND SAID SECOND SIDEWALLS ARE ARRANGED CONTIGUOUSLY HINGED TOGETHER; AND GUIDE LUGS CARRIED BY THE LOWER EDGE OF SAID FIRST SIDEWALLS, WHEREBY SAID LUGS OF EACH SAID FIRST HINGE MAY ENGAGE EACH SAID CORNER OF SAID PALLET IN RIGHT ANGLE RELATIONSHIP AND THUS POSITION SAID FIRST SIDEWALL IN RIGHT ANGLE RELATIONSHIP TO SAID PALLET AND SAID SECOND SIDEWALLS.