Blinds

Details Blinds Blinds

E - Fixed Constructions

06

B

160/1

E06B 9/32 (2006.01) E06B 9/327 (2006.01)

Patent

CA 1280066

ABSTRACT A universal tensioning device for blinds and shades comprises a U-shaped channel member which has oppositely disposed open ends which provide first and second access passages and a third access passage opening through the bottom wall of the channel member. A winding shaft is mounted for rotation in the side walls of the channel member and extends transversely across the channel directly above the third access passage. A ratchet wheel is provided at one end of the winding shaft and is located externally of a side wall of the channel. A socket is formed in the end of the winding shaft. A dog is pivotally mounted on the side wall of the channel member for movement into and out of engagement with the ratchet wheel. A biasing spring is provided for releasably urging the dog toward the ratchet wheel. A pair of these tensioning devices are located in a chamber formed in the header rail of a venetian blind which also accommodates the slat angling mechanism and height adjustment mechanism. An inclined shade is also provided in which a pair of shade support wires are provided for supporting the shade in an inclined plane.

536088

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