Step-by-step system for a hand-held device for releasing a medicine to be inhaled in portions comprises a planetary wheel which rotates in single rotary steps using springs

摘要

Step-by-step system (11) comprises a planetary wheel (13) which rotates in single rotary steps using springs. An independent claim is also included for a hand-held device for releasing a medicine to be inhaled in portions. Preferred Features: The planetary wheel axle has flattened parts (54) producing a stepped cycle together with spring tongues (55). A zero position stop (60) is assigned to a scale ring (26).