Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
HEM LENGTH ADJUSTING DEVICE FOR WINDOW BLIND WITHOUT EXPOSED PULL CORD
A hem length adjusting device for a window blind without exposed pull cord includes a base, a first worm shaft disposed in the base, and a second worm shaft disposed in the base. The base is mounted in a bottom rail and has a first hole for penetration of a lifting hole. The first worm shaft has a driving hole exposed out of the bottom side of the bottom rail for engagement with a hand tool. The second worm shaft is meshed with the first worm shaft so as to driven by the first worm shaft to rotate for winding the bottom end of the lift cord. By this way, because the top end of the lift cord is kept still, the bottom rail is raised when the lift cord is wound around the second worm shaft, thereby adjusting the height above the ground of the bottom rail.
HEM LENGTH ADJUSTING DEVICE FOR WINDOW BLIND WITHOUT EXPOSED PULL CORD
A hem length adjusting device for a window blind without exposed pull cord includes a base, a first worm shaft disposed in the base, and a second worm shaft disposed in the base. The base is mounted in a bottom rail and has a first hole for penetration of a lifting hole. The first worm shaft has a driving hole exposed out of the bottom side of the bottom rail for engagement with a hand tool. The second worm shaft is meshed with the first worm shaft so as to driven by the first worm shaft to rotate for winding the bottom end of the lift cord. By this way, because the top end of the lift cord is kept still, the bottom rail is raised when the lift cord is wound around the second worm shaft, thereby adjusting the height above the ground of the bottom rail.
HEM LENGTH ADJUSTING DEVICE FOR WINDOW BLIND WITHOUT EXPOSED PULL CORD
CHEN PO-YU (Autor:in)
04.08.2022
Patent
Elektronische Ressource
Englisch
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
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