Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The assembly has a head unit having a transverse rod and a housing 131, the housing having a spring motor 13 in the form a spring 133 wrapped or wound around and extending between two wheels 132, the transverse rod attached to one of the wheels via member 1321, the apparatus having a shading face, e.g. cloth, with an upper end attached to and wound around the transverse rod, and a lower end having a bottom unit in the form of a mounting tube (31, Fig. 6) with a hollow receiving chamber (310, Fig. 6) having at least one balancing member (33, Fig. 6) located therein, the spring motor and the mass of the balancing member(s) chosen such that the apparatus is in equilibrium when no external force is applied. The at least one balancing member weighs between 0.1kg and 0.2kg, the total weight of the bottom unit and cloth is between 1kg and 5kg, and the spring has a thickness between 0.1mm and 0.2mm.
The assembly has a head unit having a transverse rod and a housing 131, the housing having a spring motor 13 in the form a spring 133 wrapped or wound around and extending between two wheels 132, the transverse rod attached to one of the wheels via member 1321, the apparatus having a shading face, e.g. cloth, with an upper end attached to and wound around the transverse rod, and a lower end having a bottom unit in the form of a mounting tube (31, Fig. 6) with a hollow receiving chamber (310, Fig. 6) having at least one balancing member (33, Fig. 6) located therein, the spring motor and the mass of the balancing member(s) chosen such that the apparatus is in equilibrium when no external force is applied. The at least one balancing member weighs between 0.1kg and 0.2kg, the total weight of the bottom unit and cloth is between 1kg and 5kg, and the spring has a thickness between 0.1mm and 0.2mm.
Cordless roller shade
JU-HUAI CHEN (Autor:in)
03.04.2019
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