Profiled key for cylinder locks

Details Profiled key for cylinder locks Profiled key for cylinder locks

E - Fixed Constructions

05

B

E05B 19/04 (2006.01) E05B 19/00 (2006.01)

Patent

CA 2708890

A key for use in a cylinder lock with a rotatable key plug having a profiled keyway. The key comprises an elongated, substantially flay key blade (120; 120') having a longitudinal profile groove (122; 122') extending along at least a portion of the length of the key blade. The groove has an undercut portion (129) adjacent to a ridge portion (128, 128'), the outside of which forms part of a side surface (123; 123') of the key blade. The undercut portion (129; 129') of the groove is expanded, at its innermost part adjacent to and inside said ridge portion, into a longitudinally extending pocket (135; 135').

L'invention concerne une clé s'utilisant dans une serrure à barillet qui comporte un élément de clé rotatif et une entrée de clé profilée. La clé comprend un panneton (120; 120') allongé sensiblement plat qui comporte une rainure profilée (122; 122') longitudinale se déployant sur au moins une partie de la longueur du panneton. La rainure comporte une partie (129) sous-jacente adjacente à une partie d'arête (128, 128'), dont l'extérieur fait partie d'une surface latérale (123; 123') du panneton. La partie sous-jacente (129; 129') de la rainure est agrandie dans sa partie la plus intérieure, adjacente à la partie d'arête et à l'intérieur de celle-ci, de manière à former un creux (135; 135') longitudinal.

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