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ANCIENS LACOUR Ets
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ANCIENS LACOUR Ets
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Publication of FR725823ApublicationCriticalpatent/FR725823A/fr
E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
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FR725823D1931-01-141931-01-14Dispositif de verrouillage pour fermetures <<roulantes>> se manceuvrant de l'intérieur
ExpiredFR725823A
(fr)