VARIABLE-STIFFNESS ROLLER SHADE TUBE

VARIABLE-STIFFNESS ROLLER SHADE TUBE

A low-deflection roller tube of a motorized roller shade may include a first tube and a second tube that is attached to the first tube. The first tube may be configured to operably couple to the motor drive unit of the roller shade. The second tube may comprise a plurality of carbon fiber layers add...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NEWMAN, Robert C. Jr, OGDEN, Peter W. Jr
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
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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Beschreibung
Zusammenfassung:A low-deflection roller tube of a motorized roller shade may include a first tube and a second tube that is attached to the first tube. The first tube may be configured to operably couple to the motor drive unit of the roller shade. The second tube may comprise a plurality of carbon fiber layers additively constructed on the first tube, and may be fabricated such that first and second longitudinal portions of the roller tube exhibit different material stiffness characteristics from each other. The first and second portions of the roller tube may be made of carbon fiber material having different tensile moduli. Layers of carbon fiber material in the first portion may be staggered with layers of carbon fiber material in the second portion at an interface between the first and second portions.