Profiled key with local recess

Details Profiled key with local recess Profiled key with local recess

E - Fixed Constructions

05

B

E05B 19/02 (2006.01) E05B 19/04 (2006.01) E05B 27/10 (2006.01)

Patent

CA 2749810

A profiled key for use in an associated cylinder lock provided with a rotatable key plug having a longitudinal keyway. The key has a substantially flat key blade with a longitudinally extending profile groove at a side surface thereof and at least one local recess adjacent to said profile groove. The local recess constitutes a locally expanded portion of said profile groove, and the locally expanded portion of the pro- file groove has a cross-section with two opposite, non-symmetrical side walls. The local reces will accommodate a blocking element in the lock, and permit full insertion of the key blade into the keyway.

L'invention concerne une clé profilée s'utilisant dans une serrure à barillet associée comportant un élément de clé rotatif, et qui présente une entrée de clé longitudinale. La clé comporte un panneton sensiblement plat et présente, sur une surface latérale, une rainure de profil se déployant longitudinalement et au moins un creux local adjacent à ladite rainure de profil. Le creux local constitue une partie localement plus grande de la rainure de profil, cette partie présentant en section transversale deux parois latérales opposées non symétriques. Le creux local sert à recevoir un élément de blocage prévu dans la serrure et permet d'insérer complètement le panneton dans l'entrée de clé.

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