Cordless blinds
A cordless window blind assembly having a combined tilt and lift control includes a headrail having a longitudinal axis extending between first and second ends thereof, a bottom rail suspended below the headrail, slats extending between the headrail and the bottom rail, a motor mounted in the headra...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A cordless window blind assembly having a combined tilt and lift control includes a headrail having a longitudinal axis extending between first and second ends thereof, a bottom rail suspended below the headrail, slats extending between the headrail and the bottom rail, a motor mounted in the headrail, a tube rotatably mounted between the first and second ends of the headrail and coupled with the motor, and a lift cord having an upper end secured to the rotatable tube and a lower end secured to the bottom rail. The assembly has a ladder tape suspended below the headrail and connected with the slats, the ladder tape including a front ladder cord extending below a front section of the headrail and a rear ladder cord extending below a rear section of the headrail, the front ladder cord entering the headrail, at least partially wrapping around the tube and exiting the headrail for connection with the rear ladder cord at a location outside the headrail, wherein lowering the bottom rail relative to the head rail causes rotation of the tube in a first direction for simultaneously unwinding the lift cord from the tube and actuating the ladder tape for rotating the slats until the slats are fully rotated whereupon the front ladder cord at least partially wrapped around the tube will slip relative to the tube as the tube continues to rotate. |
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