Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
STRING COILING UNIT FOR A WINDOW SHADE WITHOUT A PULL CORD
A string coiling unit is mounted in a top frame of a window shade without a pull cord. The string coiling unit includes a casing receiving a vortex spring device and two reels operably connected to the vortex spring device. Two axles are mounted in the casing. A guiding wheel is mounted around each axle, is shorter than the axle, and includes an annular first groove for receiving one of the driving strings. Each driving strings is wound around a deflecting portion of one of two string guiding mechanisms before extending through the shade unit in the vertical direction, such that drag and hindrance to portions of the two driving strings extending in the horizontal direction caused by the weight of the shade unit are interrupted to reduce deviation of the two driving strings wound around the two reels.
STRING COILING UNIT FOR A WINDOW SHADE WITHOUT A PULL CORD
A string coiling unit is mounted in a top frame of a window shade without a pull cord. The string coiling unit includes a casing receiving a vortex spring device and two reels operably connected to the vortex spring device. Two axles are mounted in the casing. A guiding wheel is mounted around each axle, is shorter than the axle, and includes an annular first groove for receiving one of the driving strings. Each driving strings is wound around a deflecting portion of one of two string guiding mechanisms before extending through the shade unit in the vertical direction, such that drag and hindrance to portions of the two driving strings extending in the horizontal direction caused by the weight of the shade unit are interrupted to reduce deviation of the two driving strings wound around the two reels.
STRING COILING UNIT FOR A WINDOW SHADE WITHOUT A PULL CORD
HUNG SHIH-MIN (Autor:in)
20.04.2017
Patent
Elektronische Ressource
Englisch
IPC:
B65H
HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
,
Handhaben von dünnem oder fadenförmigem Gut, z.B. Folien, Bahnen, Kabeln
/
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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