Sun screen blinds and the like

Claim 1

Apparatus for extending or retracting such as a sun screen blind, divider, partition or the like, said apparatus comprising; a single length of elastized extensible cord means; two housing members wherein at least one housing member has stored therein a looped portion of said single length of elasticized extensible cord means; the end portions of said looped portion of said single length of cord means extending from two mutually spaced locations on said at least one housing member so that said cord means is withdrawable from and retractable into said at least one housing member through said spaced locations, the ends of said single length of extensible cord means being connected to said other housing member; an expansible and collapsible screen member located on the portions of said cord means between said two housing members and wherein said looped elasticized cord means comprise the sole means for supplying a force for retracting said screen member upon said cord means being extended from its unstretched position so that the tension at all points on said single length of elasticized extensible cord means is maintained substantially the same upon extension or retraction of said apparatus.