E - Fixed Constructions – 06 – B
Patent
E - Fixed Constructions
06
B
E06B 9/303 (2006.01) E06B 9/307 (2006.01) E06B 9/24 (2006.01)
Patent
CA 2341074
A Venetian blind includes a tilt means having multiple ladder strings for tilting slats of the blind connected to the ladder strings. Each of the ladder strings includes a front and a rear vertical strings, and a plurality of transverse ladders spaced between and along the front and the rear vertical strings. Upper ends of the two vertical strings are upward extended to provide a front and a rear hanging section, respectively, without any transverse ladders spaced between the hanging sections. Upper ends of the hanging sections are upward and movably extended through a tiller and then wound around a reel fixedly mounted on a rotary shaft in the head rail of the Venetian blind. The two hanging sections may be synchronously released from the reels when the rotary shaft is turned forward, so that the upper slats are lowered to a distance below the head rail of the blind, and a light transmissible area without being shielded by any slat is provided above the upper slats, and the lowered slats could still be deployed and tilted to adjust volume and direction of light projected through the blind.
Chu Chen-Ho
Gowling Lafleur Henderson Llp
LandOfFree
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