Light-weight luggage case with reinforcing x-frame

Claim 1

IN COMBINATION WITH A SUBSTANTIALLY RECTANGULAR LIGHT-WEIGHT, FLEXIBLE FABRIC LUGGAGE CASE OF UNITARY CONSTRUCTION HAVING A FIRST SIDE WALL, A SECOND SIDE WALL SPACED FROM AND PARALLEL TO SAID FIRST SIDE WALL, A THIRD SIDE WALL, A FOURTH SIDE WALL SPACED FROM AND PARALLEL TO SAID THIRD SIDE WALL, A FRONT WALL AND A REAR WALL, A SELF-SUPPORTING REINFORCING FRAME FOR PLACEMENT WITHIN SAID LUGGAGE CASE COMPRISING FIRST AND SECOND RECTANGULAR FRAME MEMBERS SECURED TOGETHER SUBSTANTIALLY CENTRALLY OF ONE PAIR OF OPPOSITE SIDES OF EACH OF SAID FRAME MEMBERS TO DEFINE AN X-FRAMING, AND MEANS FOR SECURING TOGETHER SAID FRAME MEMBERS TO PREVENT RELATIVE PIVOTAL MOVEMENT THEREBETWEEN, SAID SECURED TOGETHER OPPOSITE SIDES RESPECTIVELY OVERLYING SAID THIRD AND FOURTH WALLS ALONG THE DIAGONALS THEREOF, SAID UNSECURED SIDES OF SAID FRAME MEMBERS RESPECTIVELY EXTENDING ALONG THE JOINTS DEFINED BY SAID FIRST AND SECOND SIDE WALLS AND SAID FRONT AND REAR WALLS.