Portable collapsible combination crib and play pen

Claim 1

IN A CRIB AND THE LIKE, FIRST AND SECOND OPEN BOX STRUCTURES POSITIONED IN HORIZONTALLY SPACED RELATION, WITH THEIR MOUTH RIMS OPPOSITE EACH OTHER; THE FIRST BOX STRUCTURE SERVING AS THE HEAD END AND THE SECOND BOX STRUCTURE SERVING AS THE FOOT END OF THE CRIB, FIRST AND SECOND OPPOSITE, SPACED, VERTICAL SIDE WALL STRUCTURES, EACH EXTENDING INTO BOTH OF SAID BOX STRUCTURES AND EACH HINGEDLY CONNECTED AT ITS ENDS TO SAID BOX STRUCTURES; SAID HINGE CONNECTIONS BEING EQUI-DISTANT FROM THE MOUTH RIM IN EACH BOX STRUCTURE; EACH SIDE WALL STRUCTURE COMPRISING TWO HINGEDLY CONNECTED SECTIONS IN HORIZONTAL EXTENSION OF EACH OTHER; THE AXES OF ALL SAID HINGE CONNECTIONS BEING VERTICAL; EACH SIDE WALL STRUCTURE BEING FOLDABLE INWARDLY OF THE CRIB, THE LENGTHS OF THE SECTIONS OF THE FIRST SIDE WALL STRUCTURE BEING UNEQUAL; THE LENGTHS OF THE SECTIONS OF THE SECOND SIDE WALL STRUCTURE BEING RESPECTIVELY EQUAL TO THE LENGTHS OF THE FIRST SIDE WALL STRUCTURE; THE LONGER SECTION OF EACH OF SAID SIDE WALL STRUCTURES BEING OPPOSITE THE SHORTER SECTION OF THE OTHER SIDE WALL STRUCTURE; EACH SECTION BEING LONGER THAN HALF THE DISTANCE BETWEEN THE SIDE WALL STRUCTURES WHEN SAID LATTER STRUCTURES ARE PARALLEL, MEANS ON EACH OF SAID WALL STRUCTURES FOR