DISPOSITIVO DE FECHO E CHAVE REVERSIVEL

摘要

A locking device comprises a lock cylinder (1) and a reversible flat key (2) having indentations (26) located on opposite broad faces (24) of the key for the arrangement of tumbler pins (17), and having a rib (25) associated with each row of indentations, into the sectional area of which at least one of the pins (17) extends and the crest (25 min ) of which rib (25) projects beyond the broad face (24) of the key. The deepest reached indentation (26) lies nearest to the crest (25 min ) of the rib (25) and several indentations (26) of a row of indentations are integrated into a through groove (N) of variable depth levels (27, 28, 29, 30).