Improved cylinder lock system

Details Improved cylinder lock system Improved cylinder lock system

E - Fixed Constructions

05

B

E05B 11/06 (2006.01) E05B 15/00 (2006.01) E05B 19/08 (2006.01) E05B 27/10 (2006.01)

Patent

CA 2313454

A key having profile features which include a shaped indentation (74) on a first side of the blade (64) and an aligned projection (72) on the opposite side of the blade cooperates with a cylinder lock with unauthorized key trapping capability. The lock has an auxiliary locking pin (50) which cooperates with the key indentation and a movable plate member (34) which cooperates with the key projection. Both the indentation and projection must be present and properly sized and shaped for a properly billed key to operate the lock.

L'invention concerne une clé présentant une silhouette particulière qui comprend une découpe profilée (74) sur un premier côté de la tige (64) et une protubérance respective (72) sur le côté opposé de la tige. Cette clé coopère avec une serrure à cylindre permettant de piéger une clé non autorisée. La serrure comprend un pêne auxiliaire (50) coopérant avec la découpe de la clé et un élément plat amovible (34) coopérant avec la protubérance. La découpe et la protubérance doivent être correctement dimensionnées et profilées pour qu'une clé à profil fonctionne correctement dans une serrure.

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