A cylinder lock

Details A cylinder lock A cylinder lock

E - Fixed Constructions

05

B

E05B 15/08 (2006.01) E05B 15/16 (2006.01) E05B 17/14 (2006.01) E05B 9/04 (2006.01)

Patent

CA 2269830

The front end of the plug of a cylinder lock is covered by a profiled element which includes a key hole whose profiled shape will only permit certain individual keys of a family of keys that can be inserted into the plug also to fit the profiled element. The profiled element includes attachment elements that have U-shaped engagement surfaces which co-act with corresponding engagement surfaces on a front part of the plug. The profiled element can be fitted to the lock in place, by turning the profiled element perpendicular to the plug axis. The profiled-element attachment elements are inaccessible from outside the lock when the cylinder lock is fitted in place.

L'extrémité avant (7b) du barillet (7) d'une serrure à barillet est recouverte par un élément profilé (5) comportant un trou de serrure (6) dont la forme profilée ne permet l'introduction que de certaines clés individuelles d'une catégorie de clés pouvant être logées à l'intérieur du barillet et s'ajuster également dans l'élément profilé. L'élément profilé comprend des moyens de fixation (5b) ayant des surfaces de prise (7b') en U qui coopèrent avec des surfaces de prise (7c) en U correspondantes sur une partie avant (7b) du barillet. On peut ajuster l'élément profilé dans la serrure installée en tournant l'élément profilé perpendiculairement à l'axe du barillet. Les moyens de fixation (5b, 5b', 7c, 7c') de l'élément profilé sont inaccessibles de l'extérieur de la serrure lorsque la serrure à barillet est mise en place.

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