Projection screen

Claim 1

IN A PROJECTION SCREEN FOR EXHIBITING PICTURES PROJECTED THEREON, A FLEXIBLE SCREEN OF RECTANGULAR OUTLINE, A FIRST ROPE STICHED TO ONE SIDE OF THE FLEXIBLE SCREEN ADJACENT TO BUT SPACED FROM ONE EDGE OF THE FLEXIBLE SCEEN, A SECOND ROPE STICHED TO THE SAME SIDE OF THE FLEXIBLE SCREEN ADJACENT TO BUT SPACED FROM AN EDGE OF THE FLEXIBLE SCREEN OPPOSITE FROM SAID ONE EDGE, SAID STITCHED ROPES BEING PARALLEL TO EACH OTHER, A TUBULAR ROLLER HAVING A LONGITUDINALLY EXTENDING SLOT THEREIN OF LESSER WIDTH THAN THE THICKNESS OF THE FIRST ROPE, SAID FIRST ROPE BEING LONGITUDINALLY RECEIVED IN THE TUBULAR ROLLER ALONG THE SLOT THEREIN FOR ANCHORING THAT END OF THE FLEXIBLE SCREEN TO THE TUBULAR ROLLER, A TUBULAR SUSPENSION SLAT HAVING A LONGITHICKNESS OF THE SECOND ROPE, SAID SECOND ROPE AND THE THICKNESS OF THE SECOND ROPE, SAID SECOND ROPE AND THE PROJECTING END OF THE FLEXIBLE SCREEN BEYOND THE SECOND STITCHED ROPE BEING LONGITUDINALLY RECEIVED IN THE TUBULAR SUSPENSION SLAT ALONG THE SLOT THEREIN WITH THE FLEXIBLE SCREEN EXTENDING THROUGH THE SLOT THEREIN WITH THE FLEXIBLE THAT END OF THE FLEXIBLE SCREEN TO THE SUSPENSION SLAT, SPRING MEANS FOR ROTATING THE TUBULAR ROLLER FOR NORMALLY ROLLING THE FLEXIBLE SCREEN ONTO THE TUBULAR ROLLER, SAID TUBULAR SUSPENSION SLAT WHEN MANIPULATED PULLING AND UNROLLING THE FLEXIBLE SCREEN FROM THE TUBULAR ROLLER AGAINST THE ACTION OT THE SPRING MEANS, AND MOUNTING MEANS FOR THE TUBULAR ROLLER AND THE TUBULAR SUSPENSION SLAT FOR SUPPORTING THE FLEXIBLE SCREEN IN PICTURE EXHIBITING POSITION.