E - Fixed Constructions – 05 – B
Patent
E - Fixed Constructions
05
B
E05B 3/00 (2006.01) E05B 3/02 (2006.01) E05B 47/06 (2006.01) E05C 3/12 (2006.01)
Patent
CA 2191266
A door lock comprises a driver hub connected to a door lever, a driven hub, a latch lever movable by the driven hub for retracting the lock's bolt to open the lock, and a catch mechanism for selectively connecting the driver hub to the driven hub. The catch mechanism includes an idle position in which the driver hub moves without moving the driven hub and an engaged position in which the driver hub moves the driven hub and thus the lever and the bolt. A state selection mechanism is provided to displace the catch mechanism between its idle and engaged positions. An actuating mechanism, e.g. a solenoid, selectively positions the state selection mechanism such that the latter causes the catch mechanism, when driven by the driver hub, to adopt one of its idle and engaged positions such that the catch mechanism respectively drives, or not, the driven hub. The actuating mechanism thus allows the state selection mechanism to mechanically cause the catch mechanism to selectively connect or disconnect the driver hub from the driven hub and thus to respectively unlock or maintain locked the door lock. The actuating mechanism typically allows the state selection mechanism to position the catch mechanism in its engaged position, i.e. in its door unlocking position, when activated by a current which results from a valid entry having been recorded in an electronic access control system, or the like.
Serrure de porte comportant un axe relié à un levier de porte, un fouillot, un levier de pêne commandé par le fouillot servant à dégager le pêne, et un mentonnet pour l'engagement sélectif de l'axe dans le fouillot. Le mentonnet comporte une position passive dans laquelle l'axe peut bouger sans faire bouger le fouillot, et une position active où il commande le fouillot et le déplacement du levier et du pêne. Un mécanisme de sélection d'état permet de faire passer le mentonnet de la position passive à la position active. Un mécanisme de manoeuvre, à solénoïde, par exemple, commande le mécanisme de sélection d'état pour commander le passage du fouillot de la positive passive à la position active. Le mécanisme de manoeuvre permet donc au mécanisme de sélection d'état d'engager ou non le mécanisme d'ouverture de la serrure. Le mécanisme de manoeuvre permettra au mécanisme de sélection d'état de positionner le fouillot pour commander le déverrouillage de la porte sous l'effet du passage d'un courant résultant de l'introduction d'un code approprié dans un système de contrôle d'accès électronique ou autre.
Doucet Christian
Stanescu Dragos-Michael
Ilco Unican Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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