E - Fixed Constructions – 05 – B
Patent
E - Fixed Constructions
05
B
E05B 19/06 (2006.01) E05B 27/00 (2006.01) E05B 27/04 (2006.01)
Patent
CA 2435335
A twisting tumbler lock with a side bar (16,16') is provided with additional levels of security by a axially reciprocable slider (24,24') which is normally positioned to block operation of the side bar (16,16') but is moved by a specially configured key (34,34') to free operation of the side bar (16,16'). This provides a third level of locking security, it also allows master keying. The unique key (34,34') has a portion of a rib (40) formed to cooperate with the slider (24,24') to further allow key control.
L'invention concerne une serrure à gorge rotative à barre latérale (16,16') dotée de niveaux supplémentaires de sécurité au moyen d'un élément coulissant (24,24') effectuant un mouvement de va-et-vient, normalement positionné de façon à bloquer le déplacement de la barre latérale (16,16'), et déplacé à l'aide d'une clé (34,34') spécialement configurée pour libérer ladite barre latérale (16,16'), ce qui fournit un troisième niveau de sécurité de verrouillage, et un passe-partout. La clé unique (34,34') comprend une partie de rainure (40) formée de façon à coopérer avec l'élément coulissant (24,24'), ce qui permet de commander la clé.
Field Peter H.
Perkins Andy E.
Johnston Wassenaar Llp
Medeco Security Locks Inc.
LandOfFree
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