Key blank and key

E - Fixed Constructions – 05 – B

Patent

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Details

E05B 19/00 (2006.01) E05B 27/00 (2006.01)

Patent

CA 2682576

A key blank or key has a rectangular parallel metal shaped blade which has side edges formed with grooves for cooperating with a complementary shaped keyway; the sides of the blank having a portion grooved for registration, another portion grooved for top-level hierarchical master keying, and two other portions, one on each side of the blade, for further master key variations and different combinations. One of the two further sections being curvilinear and the other rectangular or angular cuts.

L'invention concerne une ébauche de clé ou une clé ayant une lame mise en forme, métallique, parallèle rectangulaire qui a des bords latéraux munis de gorges pour coopérer avec un trou de serrure mis en forme de manière complémentaire ; les côtés de l'ébauche ayant une partie munie de gorges de calage, une autre partie munie d'une gorge pour passe-partout hiérarchique de niveau élevé, et deux autres parties, une sur chaque côté de la lame, pour d'autres variantes de passe-partout et différentes combinaisons. L'une des deux autres parties a des découpes curvilignes et l'autre partie a des découpes rectangulaires ou angulaires.

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