Improvements in key operable locks

E - Fixed Constructions – 05 – B

Patent

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E05B 29/10 (2006.01) E05B 19/02 (2006.01) E05B 27/00 (2006.01) E05B 29/00 (2006.01) E05B 35/00 (2006.01) E05B 35/14 (2006.01) E05B 35/08 (2006.01)

Patent

CA 2390012

A keyway profile plug (14) for a lock barrel assembly of the type having a number of rotatable disks (24) with the combination of the lock being carried by the key and a locking bar (118) which cooperates with the disks, wherein the keyway profile plug has a longitudinal axis; a partially arcuate circumference transverse to the longitudinal axis, the circumference being adapted to support the plurality of disks and a plurality of grooves in the circumference, each groove adapted to receive spacer means. An end cap (114) for the above lock barrel assembly which is operable by a first key (134), but the cap is adapted to be released from the lock barrel assembly by use of a second key (145) but not by the first key, where the second key is converted from the first key by moveable means provided on the key.

Un barillet (14) à profil d'entrée de clé d'un ensemble barillet de serrure comporte un nombre de disques rotatifs (24), la combinaison de la serrure étant constituée de la clé et d'une barre de sûreté (118) qui coopère avec les disques. Le barillet à profil d'entrée de clé comporte un axe longitudinal; une circonférence partiellement courbe transversale à l'axe longitudinal, cette circonférence étant adaptée pour supporter la pluralité de disques et une pluralité de gorges, chaque gorge étant adaptée pour accueillir des espaceurs. Un embout (114) de l'ensemble barillet de serrure peut être actionné par une première clé (134), mais est conçu pour être dégagé de l'ensemble barillet de serrure par une seconde clé (145) et non par la première, cette première clé étant convertie en seconde clé par un élément amovible formé sur la clé.

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