Weatherproof retractable wall

Claim 1

IN A RETRACTABLE WALL STRUCTURE, THE COMBINATION COMPRISING A ROLLER, MEANS FOR ROTATABLY SUPPORTING SAID ROLLER, A PANEL OF IMPERFORATE FLEXIBLE MATERIAL HAVING ONE END THEREOF FASTENED TO SAID ROLLER AND BEING ADAPTED TO BE WOUND ON SAID ROLLER, A PLURALITY OF TRANSVERSE REINFORCING MEMBERS POSITIONED AT LONGITUDINALLY SPACED POINTS ON SAID FLEXIBLE PANEL WITH THE ENDS OF SAID REINFORCING MEMBERS EXTENDING BEYOND THE LONGITUDINAL EDGES OF SAID PANEL, MEANS DEFINING LONGITUDINALLY EXTENDING GUIDE SURFACES ALONG THE PATH OF SAID MEMBERS AND ADAPTED TO CONTACT AND ABUT THE ENDS OF SAID MEMBERS THROUGHOUT THEIR ENTIRE PATH OF MOVEMENT TO GUIDE SAID MEMBERS AND SAID PANEL, EACH REINFORCING MEMBER BEING FORMED WITH AN ENLARGED PORTION ON THE END THEREOF AND A PORTION OF REDUCED CROSS SECTION ADJACENT AND SPACED FROM THE END OF SAID MEMBER OUTWARDLY FROM THE LONGITUDINAL EDGES OF SAID PANEL, AND MEANS COMPRISING LONGITUDINALLY EXTENDING GUIDE WALLS AT EACH OF SAID MEMFORCING MEMBERS BETWEEN WHICH THE ENDS OF SAID MEMBERS FREELY EXTEND SAID GUIDE WALLS BEING SPACED FROM SAID GUIDE SURFACES SUCH AS TO DEFINE ENLARGED SPACES ADJACENT THE ENDS OF SAID REINFORCING MEMBERS INTO WHICH THE ENDS OF SAID REINFORCING MEMBERS FREELY EXTEND, SAID ENLARGED SPACES BEING SUBSTANTIALLY GREATER IN WIDTH THAN THE ENLARGED PORTIONS OF SAID REINFORCING MEMBERS, SAID GUIDE WALLS ADAPTED TO ENGAGE THE ENLARGED PORTIONS OF SAID REINFORCING MEMBERS TO PREVENT THE MEMBERS FROM BEING PULLED OUT UNDER THE ACTION OF WIND ON THE FLEXIBLE WALL, SAID GUIDE SURFACES EXTENDING ALONG THE ENTIRE PATH OF THE ENDS OF THE REINFORCING MEMBERS BOTH DURING THEIR MOVEMENT OF SAID REINFORCING MEMBERS BETWEEN SAID GUIDE WALLS AND DURING WINDING AND UNWINDING OF SAID PANEL AND SAID REINFORCING MEMBERS ON AND OFF SAID ROLLER.