Error-proof security device for a lock fitting on a door or...

E - Fixed Constructions – 05 – C

Patent

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Details

E05C 3/12 (2006.01) E05D 15/526 (2006.01)

Patent

CA 2221999

The invention concerns an error-proof security device capable of preventing the operation of a lock fitting after the leaf (2) of a door, window or the like (3) is open, comprising a support (5) in the form of a housing capable of being surface-mounted on a face plate (6), and a stop pin (13) running through the latter when acted upon by a resilient return device to block the translation movement of an operating linkage (8) when the door or window is open. This security device is remarkable in that the housing defined by the support (5) comprises on each of its opposing sides (26, 27) parallel to the plane (28) of the leaf (2) to which it is attached, an opening to allow passage of a connecting tab (24) capable of fitting onto the said stop pin (13) in order to actuate it when acted upon by an operating tab (25) corresponding to a control element (22).

L'invention a trait à un dispositif de sécurité, du type antifausse manoeuvre, à même d'empêcher la manoeuvre d'une ferrure de verrouillage après l'ouverture d'un vantail (2), de porte, fenêtre ou analogue (3), comportant, d'une part, un support (5) sous forme d'un boîtier à même d'être rapporté en applique sur une têtière (6) et, d'autre part, un doigt de blocage (13) traversant cette dernière sous l'impulsion de moyens de rappel élastiques en vue de bloquer en translation une tringle de manoeuvre (8), ceci lorsque la porte ou fenêtre est ouverte. Ce dispositif de sécurité est caractérisé en ce que le boîtier défini par le support (5) comporte, au niveau de chacun de ses côtés (26, 27) opposés parallèles au plan (28) du vantail (2) qu'il équipe, une ouverture destinée au passage d'une patte de liaison (24) laquelle est à même de s'emboîter sur ledit doigt de blocage (13) en vue de l'actionner sous l'impulsion d'une patte de manoeuvre (25) correspondant à un organe de commande (22).

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