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WINDOW SHADE AND ACTUATING SYSTEM THEREOF
An actuating system for a window shade includes a rotary axle, a cord winding assembly and a limiting mechanism. The cord winding assembly is coupled to the rotary axle and is connected with a plurality of suspension cords, the rotary axle being rotatable to cause the cord winding assembly to wind and unwind the suspension cords for displacing a movable rail of a window shade. The limiting mechanism includes a latch coupled to one of the suspension cords, the latch being movable between a locking state for preventing rotation of the rotary axle and an unlocking state for rotation of the rotary axle, the limiting mechanism being configured so that tensioning and loosening of the one of the suspension cords causes the latch to switch between the locking state and the unlocking state.
WINDOW SHADE AND ACTUATING SYSTEM THEREOF
An actuating system for a window shade includes a rotary axle, a cord winding assembly and a limiting mechanism. The cord winding assembly is coupled to the rotary axle and is connected with a plurality of suspension cords, the rotary axle being rotatable to cause the cord winding assembly to wind and unwind the suspension cords for displacing a movable rail of a window shade. The limiting mechanism includes a latch coupled to one of the suspension cords, the latch being movable between a locking state for preventing rotation of the rotary axle and an unlocking state for rotation of the rotary axle, the limiting mechanism being configured so that tensioning and loosening of the one of the suspension cords causes the latch to switch between the locking state and the unlocking state.
WINDOW SHADE AND ACTUATING SYSTEM THEREOF
FENSTERBLENDE UND BETÄTIGUNGSSYSTEM DAFÜR
STORE DE FENÊTRE ET SON SYSTÈME D'ACTIONNEMENT
HUANG CHIEN-FONG (author)
2024-03-13
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