Electromechanical lock cylinder

E - Fixed Constructions – 05 – B

Patent

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Details

E05B 47/06 (2006.01)

Patent

CA 2529104

The invention relates to an electromechanical lock cylinder, which interacts with evaluating electronics for recognizing an access authorization and comprises a housing that has two opposing cylindrical cavities (12). A lock core, which can be actuated by a key, or a knob shaft (11), which is joined to a knob in a rotationally fixed manner, is rotationally mounted in said cavities. The lock core and/or knob shaft (11) interact with a lock lug (13), which actuates, in particular, a bolt or latch of a door lock. When the key fits or in the event of a successful access authorization, an electromechanically driven blocking or coupling element (14) is moved out of the position of rest and into an angular position, and a rotationally fixed joining between the key or knob and the lock lug (13) is effected. The invention is characterized in that the lock lug (13), when the blocking or coupling element (14) is in a position of rest, can be freely rotated relative to both lock cores or to both knob shafts (11).

L'invention concerne un barillet électromagnétique qui coopère avec un système électronique d'évaluation pour identifier une autorisation d'accès et comporte un logement comprenant deux cavités (12) cylindriques opposées dans lesquelles est logé, dans chaque cas, soit un noyau de fermeture pouvant être actionné par une clef, soit un arbre de bouton de porte (11), relié bloqué en rotation à un bouton de porte. Le noyau de fermeture et/ou l'arbre de bouton de porte (11) coopèrent avec un ergot de fermeture (13), qui actionne notamment un pêne ou loquet de fermeture de serrure de porte. Lorsque la clef convient ou que l'autorisation d'accès est accordée, un élément de blocage ou d'accouplement (14) à commande électromagnétique est déplacé d'une position de repos dans une position active et induit un assemblage bloqué en rotation entre la clef ou le bouton de porte et l'ergot de fermeture (13). Cette opération se caractérise en ce qu'en position de repos de l'élément de blocage ou d'accouplement (14), l'ergot de fermeture (13) peut être tourné librement par rapport aux deux noyaux de fermeture ou aux deux arbres de bouton de porte (11).

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