E - Fixed Constructions – 06 – B
Patent
E - Fixed Constructions
06
B
160/1
E06B 9/36 (2006.01)
Patent
CA 1078298
" Slatted Blinds " ABSTRACT A slatted blind comprises vertically disposed slats each mounted at a top end thereof on pivot means carried for rotation about a vertical axis by a respective guide carriage movable along a support rail. At least one of the guide carriages carries a nut provided externally with a first gear ring, the nut being rotatably and axially immovably mounted on the carriage and being engaged on a rotatable threaded operating rod extending longitudinally of the support rail. The pivot means comprises a bush and a shaft retained in the bush, the slat being mounted on the shaft and a top end of the bushing being provided externally with a second gear ring meshing with the first gear ring on the nut. Engaging clutch surfaces of the bush and shaft from a slip clutch operative on rotation of the operating rod to rotate the slate about its longitudinal axis to a limiting position and then to slip to cause displacement of the guide carriage along the support rail. - 1 -
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