A discriminating mechanism for a pin tumbler lock

E - Fixed Constructions – 05 – B

Patent

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Details

E05B 27/10 (2006.01) E05B 27/00 (2006.01)

Patent

CA 2481917

A pin tumbler lock is provided with one or more additional chambers for housing a secondary locking member for engagement with a portion of a key. The invention also provides a lock system comprising a plurality of locks, each lock including two chambers. The lock system has a potential of N chamber positions to provide a substantial increase in the number of effective unique pin tumbler combinations that can be produced on the same key section or profile by allowing the same pin tumbler combination to be repeated with different locations of these additional chambers.

L'invention concerne une serrure à barillet pourvue d'une ou de plusieurs cavités additionnelles pour loger un élément de verrouillage secondaire à mettre en prise avec une partie de la clé. La présente invention porte également sur un système de verrouillage comprenant une pluralité de verrous ayant chacun deux cavités. Ce système de verrouillage présente un potentiel de N positions de cavités et fournit ainsi un accroissement notable du nombre de combinaisons effectives et uniques du barillet pouvant être réalisées sur la même section de clé ou sur le même profil de clé, la même combinaison de barillet pouvant être répétée avec différentes positions des cavités additionnelles.

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