RETRACTABLE WINDOW COVERING HAVING A LENGTH EXPANDING STIFFENING ROD

A retractable window covering that has a flexible fabric panel having a bottom edge with a weight bar attached to it. The fabric panel has one or more elongate pockets across its width, accommodating a length-expanding stiffening rod with: an elongate guiding element of non-magnetic material; a firs...

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Bibliographic Details
Main Authors WETSEMA JAN P, LAMERS FRANCISCUS C.G, DE LANGE HANS
Format Patent
LanguageEnglish
Published 24.01.2008
Subjects
DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL
FIXED CONSTRUCTIONS
FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES
LADDERS
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Summary:A retractable window covering that has a flexible fabric panel having a bottom edge with a weight bar attached to it. The fabric panel has one or more elongate pockets across its width, accommodating a length-expanding stiffening rod with: an elongate guiding element of non-magnetic material; a first magnet guided for movement along the elongate guiding element; and a second magnet guided for movement along the elongate guiding element and positioned in respect of the first magnet, so that the first and second magnets repulse one another and the guiding element limits and guides the movement of the first and second magnets in respect to one another.
Bibliography:Application Number: US20070778774