Rolling shutters

Details Rolling shutters Rolling shutters

1976-03-09

1977-08-16

Caun, Peter M.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

Movably interconnected

E06B 314, E06B 320

Patent

active

040420051

ABSTRACT:
A rolling shutter comprises bar-shaped elements which are hooked together by mortise and tenon-type joints in laterally contiguous relation to form a curtain which can be rolled up upon a drum above the lintel of a doorway or the like, the bars consist of synthetic-resin hollow profiles and the mortise is formed with a groove in which a flange of the tenon of the overlying bar engages to rigidify the curtain when the same is fully rolled. When the curtain is raised by drawing the upper bars upwardly, the flange pulls out of the groove to allow pivoting or articulated movement between the bars.

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