Multi-piece plug assembly for a cylinder lock

E - Fixed Constructions – 05 – B

Patent

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Details

E05B 9/04 (2006.01)

Patent

CA 2616520

A cylinder lock assembly includes a cylinder body and a plug assembly which is manufactured in a multiple of pieces to facilitate casting of each plug piece in a single operation. The plug assembly includes a plug body with a plug insert opening to receive a plug insert. The plug insert opening is generally L-shaped in cross-section to receive the plug insert which is correspondingly shaped. The plug insert includes a plug outer portion which defines an arcuate outer surface which corresponds with the outer circumference of the plug body when the plug insert is mounted therein. A plug pin chamber portion extends generally transverse to the plug outer portion to define a multiple of tumbler pin chambers which extend through the plug outer portion.

Ensemble de serrure à barillet qui comporte un corps de cylindre et un ensemble de fiches constitué de plusieurs pièces afin de faciliter le moulage de chaque fiche en une seule opération. L'ensemble de fiches comporte un corps de fiche avec une ouverture d'insertion de fiches destinée à recevoir un insert de fiche. L'ouverture d'insertion de fiche est généralement en forme de L en section transversale de manière à recevoir l'insert de fiche qui a une forme correspondante. L'insert de fiche comporte une portion extérieure de fiche qui définit une surface externe arquée qui correspond à la circonférence extérieure du corps de fiche lorsque l'insert de fiche est monté dedans. Une portion de chambre de goupilles de fiches s'étend généralement transversalement à la portion extérieure de fiche pour définir une pluralité de chambres de goupilles de gorges qui s'étend à travers la portion extérieure de fiche.

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