Abrégé

A lock has improved protection against lock picking. The lock comprises plural tumblers, each generally cylindrical in form with outer and inner circumferential edges, all the tumbles arranged on a common axis. The outer circumferential edge of each tumbler having a single true gate, including a void extending a predetermined distance toward the axis and plural false gates, each having a void of lesser extent. Ridges separates the true gate from adjacent false gates, and separate adjacent false gated from each other. The lock also includes a sheath contacting the inner circumferential edges of the tumblers. The sheath includes ridges located to maintain the tumblers in contact with each other.

Classes IPC  ?

• F41A 17/44 - Sûretés sous forme de bouchons obturateurs, p. ex. pour obturer la chambre de cartouche
• F41A 17/04 - Sûretés du type serrure à combinaisons
• E05B 37/02 - Serrures à permutationSerrures à combinaisons avec disques ou anneaux à gorges disposés sur un axe unique, chaque disque étant réglable indépendamment des autres

Produits et services

Gunlocks