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US 5,116,273 AGranted
Self-extending portable panels
OwnerDavid S. Chaninventor
Life of this patent
Estimating the term…
Abstract
A self extending storable panel formed of cloth or flexible plastic, with a circular perimeter sleeve, and a spring wire hoop in the sleeve which can be twisted for storage and will extend itself into a hoop in use. Tabs may be attached to the panels for hanging the panels where required.
Claims5
A self supporting storable panel system comprising;
- a circular panel portion formed of flexible material, and defining a circular perimeter of predetermined diameter;
- a linear strip of woven material formed of intersecting threads, bias-cut with said threads extending diagonally of said strip of said woven material, said strip having a linear dimension equal to somewhat greater than the length of said perimeter of said panel portion, said linear strip being secured around said panel portion to form a perimeter sleeve having a diameter greater than said diameter of said panel portion;
- and,
- a spring metal hoop located in said perimeter sleeve, said hoop being dimensioned to have a diameter greater than said diameter of said panel portion so as to distend said sleeve and thereby extend and stretch said panel portion, said spring hoop being resiliently collapsible, in a looped manner, into at least two adjacent connected smaller hoops, whereby said panel portion may be collapsed, for storage.
1 more element
Dependencies are inferred from the claim text.