Key for mechanical closure system has head and shank, accumulator and pin and indicator unit

摘要

The key for a mechanical closure system consists of a head (1) and shank (2) turned at a fixed angle. When the key is inserted into the lock. Turning the key-head delays the turning of the shank until the turning direction is fixed. An accumulator stores the turning direction and has an indicator unit (3) for the contents of the accumulator. A pin is movable into the housing of the key-head.