Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – Venetian blind type
Patent
1976-11-09
1978-08-01
Caun, Peter M.
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
Venetian blind type
160172, 160176R, E06B 930
Patent
active
041037278
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 bush 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 form a slip clutch operative on rotation of the operating rod to rotate the slat about its longitudinal axis to a limiting position and then to slip to cause displacement of the guide carriage along the support rail.
REFERENCES:
patent: 3298425 (1967-01-01), Cayton et al.
Bautex Adolf Stover KG.
Caun Peter M.
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