Security closures for buildings

Details Security closures for buildings Security closures for buildings

E - Fixed Constructions

06

B

E06B 5/11 (2006.01) E06B 9/02 (2006.01)

Patent

CA 2231266

A movable closure having a fixed cylindrical outer shell and a revolving inner shell, wherein each shell comprises two openings and the openings in the outer shell can be closed or opened by suitable rotation of the inner shell, can serve as a high security door or window for use in buildings. By providing an additional conventional closure in the outer shell, the function and appearance of a conventional closure can also be obtained.

La présente invention a pour objet un dispositif d'obturation constitué d'un cylindre extérieur fixe enveloppant un cylindre intérieur rotatif; chaque cylindre comporte deux ouvertures, et les ouverture pratiquées dans le cylindre extérieur peuvent être fermés ou ouverts par rotation du cylindre intérieur; le dispositif en question peut servir de porte ou de fenêtre haute sécurité pour bâtiments. La superposition d'une fermeture conventionnelle à l'extérieur du bâtiment permet de rétablir la fonction et l'apparence d'une fermeture conventionnelle.

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