Coupling device for double cylinder lock and double cylinder lock with such a coupling device

摘要

Coupling device (8) for a double lock cylinder consisting of tumblers (9) for selectively blocking the movement of two cores (2) lying opposite a lock bit (4) relative to a housing and a lock channel (7) in the cores receiving a key comprises coupling engaging elements (14) that are moved by the key and recesses (13) in the lock bit corresponding to the coupling engaging elements for rotationally fixed connection of the lock bit to the core. A sliding coupling (15) active in at least one direction of rotation is arranged between the lock bit and the core. An independent claim is also included for a double lock cylinder with tumblers comprising the above coupling device.