Driving device for locking and unlocking a lock with...

Details Driving device for locking and unlocking a lock with... Driving device for locking and unlocking a lock with...

E - Fixed Constructions

05

B

E05B 49/00 (2006.01) E05B 47/00 (2006.01) E05B 47/06 (2006.01) E05B 65/00 (2006.01) G07C 9/00 (2006.01) E05B 15/04 (2006.01)

Patent

CA 2289556

The invention concerns a driving device for locking and unlocking a lock with conditional opening, comprising: motoring means (MT) including a driving element (36) with a rotation axis (X1); a transmission arm (26) mounted about a rotation axis (X2), separate from the axis (X1); a locking unit (PVI) connected to the arm (26) and capable of taking up an active position (P1) countering the displacement of a rod, and an inoperative position (P2) allowing its displacement; and elastic means (48) to activate the locking unit (PVI) when its movement is blocked by the rod. The invention is characterised in that the elastic means (48) are arranged between the driving element (36) and the transmission arm (26), said elastic means (48) being in direct driving contact with a surface connected (54) to the transmission arm (26). Said device is in particular applicable to a lock with conditional opening, in particular a time lock.

L'invention concerne un dispositif d'entraînement permettant le verrouillage d'une serrure à ouverture conditionnelle. Ce dispositif comprend: des moyens moteur (MT) comportant un élément d'entraînement (36) ayant un axe de rotation (X1); un bras de transmission (26) monté autour d'un axe de rotation (X2), distinct de l'axe (X1); un bloc de verrouillage (PVI) connecté au bras (26), et pouvant occuper une position active (P1) pour s'opposer au déplacement d'une barre, et une position inactive (P2) autorisant son déplacement; et des moyens élastiques (48) pour armer le bloc de verrouillage (PVI) lorsque son déplacement est empêché par barre, caractérisé en ce que les moyens élastiques (48) sont ménagés entre l'élément d'entraînement (36) et le bras de transmission (26), ces moyens élastiques (48) étant en contact d'entraînement direct avec une surface de liaison (54) du bras de transmission (26). Ce dispositif s'applique notamment à une serrure à ouverture conditionnelle, en particulier une serrure horaire.

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