Louverable rolling shutter

Details Louverable rolling shutter Louverable rolling shutter

1991-06-24

1993-02-23

Johnson, Blair M.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

Roll type

49 90PH, E06B 908

Patent

active

051881616

ABSTRACT:
A louverable rolling shutter with a number of louverable, leaf-like shutter slats (1) articulated at their upper zones to pull chain links (2) and at their lower zones to adjusting chain links (5), and also being guided in fixed guide profiles (4) laterally by way of chain links. The guidance action is provided in the guide profiles (4) by the pull chain links (2) which latter are arranged in each case with the associated adjusting chain link (5) and louverable shutter slat (1) in side-by-side relationship and in alignment with respect to one another.

REFERENCES:
patent: 2237800 (1941-04-01), Webber
patent: 2912048 (1959-11-01), Grau
patent: 4715421 (1987-12-01), Erber

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