Locking device

E - Fixed Constructions – 05 – B

Patent

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Details

E05B 47/06 (2006.01) E05B 27/00 (2006.01) E05B 47/00 (2006.01)

Patent

CA 2276052

A locking device for a lock cylinder (12) has an electronically controlled inhibiting element (2), which in an inhibit position (x s) blocks movement of a rotor (1) relative to a stator (6) and frees the rotor (1) in a free position (x F). A drive (9) exerts a working force (F A) on the inhibiting element (2), by which inhibiting element (2) can be reversibly transferred from the inhibit position (x s) into the free position (x F) and vice versa. A guide (52-57) is connected to the drive (9) and, at least outside the free position (x F), clearly defines the position of the inhibiting element (2). A restoring device (3) exerts a restoring force (F R) directed away from the free position (x F) on the inhibiting element (2), when that element is between the free position (x F) and a rest position (x0). I n the rest position (x0) and in positions between the rest position (x0) and the free position (x F), the inhibiting element inhibits movement of the rotor (1). The locking device is resistant to external, undesired vibration and/or shock effects or magnetic action.

Ce dispositif de verrouillage d'un cylindre de fermeture (12) comprend un élément de blocage (2) à commande électronique qui dans une position de blocage (xS) bloque un rotor (1) par rapport à un stator (6) et dans une position de libération (xF) libère le rotor (1). Une force (FA) exercée sur l'élément de blocage (2) par des moyens d'entraînement (9) permet de faire passer l'élément de blocage (2) de la position de blocage (xS) à la position de libération (xF) de manière réversible et vice-versa. Des moyens de guidage (52-57) reliés aux moyens d'entraînement (9) déterminent clairement au moins hors de la position de libération (xF) la position de l'élément de blocage (2). Lorsque l'élément de blocage (2) est entre la position de libération (xF) et une position de repos (x0), des moyens de rappel (3) exercent une force de rappel (FR) sur l'élément de blocage (2) de façon à l'éloigner de la position de libération (xF). Dans la position de repos (x0), ainsi que dans les positions situées entre la position de repos (x0) et la position de libération (xF), l'élément de blocage bloque le rotor (1). Ce dispositif de verrouillage résiste aux effets indésirables de vibrations et/ou de chocs extérieurs, ainsi que de champs magnétiques.

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