A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
A cord-winding assembly of a window blind includes a first spool and a second spool. The first spool has a first axis extending in an axial direction. A plurality of first grooves is formed on an outer periphery of the first spool. The first grooves are parallel to each other. Each of the plurality of first grooves has a circumferential length different from other first grooves. The second spool has a second axis extending in the axial direction. The first and second axes are parallel to each other. A plurality of second grooves is formed on an outer periphery of the second spool. The second grooves are parallel to each other.
A cord-winding assembly of a window blind includes a first spool and a second spool. The first spool has a first axis extending in an axial direction. A plurality of first grooves is formed on an outer periphery of the first spool. The first grooves are parallel to each other. Each of the plurality of first grooves has a circumferential length different from other first grooves. The second spool has a second axis extending in the axial direction. The first and second axes are parallel to each other. A plurality of second grooves is formed on an outer periphery of the second spool. The second grooves are parallel to each other.
Cord-winding assembly of a window blind
CHENG LI-MING (author)
2015-09-01
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
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