Curtains

Claim 1

AN ADJUSTABLE WIDTH CONTINUOUS PANEL DRAW CURTAIN FOR FILLING A DESIRED WIDTH PORTION OF AN OPENING COMPRISING A CURTAIN PANEL OF A MAXIMUM WIDTH GREATER THAN THE WIDTH OF THE PORTION OF THE OPENING TO BE COVERED, SLIDES ATTACHED TO THE CURTAIN AT A PLURALITY OF SPCED LOCATIONS ALONG THE TOP EDGE OF THE CURTAIN, A FLEXIBLE STRAND ELEMENT EXTENDING ALONG THE SAID TOP EDGE OF THE CURTAIN BETWEEN THE TWO SIDE EDGES OF THE CURTAIN, SAID FLEXIBLE STRAND BEING OF A LENGTH CORRESPONDING TO THE WIDTH OF THE PORTION OF THE OPENING TO BE COVERED BY SAID CURTAIN, MEANS FASTENING SAID FLEXIBLE STRAND ELEMENT ADJUSTABLY TO THE TOP EDGE OF THE CURTAIN AT SPACED LOCATIONS WITH EACH SPACED LOCATION BEING ADJACENT EACH SLIDE WITH THE LENGTH OF THE PORTION OF THE FLEXIBLE ELEMENT BETWEEN ADJACENT SLIDES BEING SUCH AS TO LIMIT THE EFFECTIVE WIDTH OF THE CURTAIN TO LESS THAN SAID MAXIMUM WIDTH WHEREBY WHEN THE CURTAIN IS EXTENDED TO FILL THE SAID PORTION OF THE OPENING THE SAID FLEXIBLE ELEMENT LIMITS THE WIDTH OF THE EXTENDED CURTAIN AND CONTROLS THE FULLNESS OF EACH PORTION OF THE CURTAIN BETWEEN EACH PAIR OF ADJACENT SLIDES BY THE RELATION OF THE LENGTH OF THE FLEXIBLE ELEMENT BETWEEN THE SAID PAIR OF ADJACENT SLIDES RELATIVE TO THE WIDTH OF CURTAIN MATERIAL BETWEEN THE SAID SAME PAIR OF ADJACENT SLIDES, SAID CURTAIN HAVING GATHERS EXTENDING BETWEEN SAID SIDE EDGES AND GENERALLY PARALLEL TO SAID TOP EDGE, AN ELONGATED STIFFENING TAPE-LIKE STRUCTURE EXTENDING TRANSVERSELY TO SAID GATHERS AND SECURED TO SAID CURTAIN FROM SAID TOP EDGE TO THE BOTTOM EDGE AND INCLUDING RELATIVELY STIFF STRAND MEANS ALONG EACH EDGE OF THE TAPE-LIKE MEMBER, SAID TAPE-LIKE MEMBER BEING READILY BENDABLE ALONG A LINE PARALLEL TO SAID TOP EDGE AND RELATIVELY NON-BENDABLE ALONG A LINE TRANSVERSE TO THE PLANE OF THE CURTAIN WHEREBY A NEAT APPEARANCE IS MAINTAINED IN SAID CURTAIN.