Venetian blind

Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – Roll type

Patent

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Details

49 741, E06B 908

Patent

active

058876367

ABSTRACT:
A louverable roller shutter comprises a series of adjacent slats extending parallel to an axis of a winding drum, a vertical guide at each end of the slats, guide bodies received in the vertical guides and tiltably connected to the ends of the slats, a tension element displaceably guided in the guide bodies for being wound up on the winding drum, slat tilting bodies received in the vertical guides on a side of the guide bodies averted from the slat ends, and a slat tilting element displaceably guided in the slat tilting bodies for being wound up on the winding drum. The tension element and the slat tilting element are comprised of at least one thin, flexible metal strip defining holes, pins substantially perpendicularly intersecting the axis of the winding drum are connected to a respective one of the guide bodies and the slat tilting bodies, the pins passing through the holes in the thin, flexible metal strips, and shafts are torsionally rigidly connected to the slat ends and extending parallel to the slats, each shaft passing through a respective one of the guide bodies and having an offset portion pivotally engaging a respective one of the slat tilting bodies.

REFERENCES:
patent: 3302692 (1967-02-01), Grau
patent: 3429355 (1969-02-01), Griesser
patent: 3989084 (1976-11-01), Inamura et al.
patent: 4449563 (1984-05-01), Toda et al.
patent: 5566737 (1996-10-01), Erber

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