A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
CORDLESS RETRACTABLE ROLLER SHADE FOR WINDOW COVERINGS
A cordless retractable shade including an operating system for the shade that varies a biasing force of a spring to counterbalance the shade. The bottom rail of a retractable shade can be raised or lowered, and due to the operating system remains in any selected position of the covering between fully extended and fully retracted, without the use of operating cords. The system includes a method of negating and reversing the spring bias effect at a strategic position whereby the flexible vanes of the shade can be adjusted between open and closed.
CORDLESS RETRACTABLE ROLLER SHADE FOR WINDOW COVERINGS
A cordless retractable shade including an operating system for the shade that varies a biasing force of a spring to counterbalance the shade. The bottom rail of a retractable shade can be raised or lowered, and due to the operating system remains in any selected position of the covering between fully extended and fully retracted, without the use of operating cords. The system includes a method of negating and reversing the spring bias effect at a strategic position whereby the flexible vanes of the shade can be adjusted between open and closed.
CORDLESS RETRACTABLE ROLLER SHADE FOR WINDOW COVERINGS
EINZIEHBARE SCHNURLOSE JALOUSIE FÜR FENSTERABDECKUNGEN
STORE RÉTRACTABLE SANS CORDON À ENROULEMENT AUTOMATIQUE POUR COUVRE-FENÊTRE
SMITH STEPHEN P (author) / SMITH KENT A (author) / RHODES GALEN B (author) / WINTERS STEPHEN M (author) / FALLER KENNETH M (author)
2015-09-16
Patent
Electronic Resource
English
IPC:
E06B
Feste oder bewegliche Abschlüsse für Öffnungen in Bauwerken, Fahrzeugen, Zäunen oder ähnlichen Einfriedungen allgemein, z.B. Türen, Fenster, Läden, Tore
,
FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES, OR LIKE ENCLOSURES, IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES