Inhaler counter (20) comprising a counter housing (390), a rocker arm
(200) with a pawl (210), the rocker arm being pivotally supported by the
housing and arranged to perform a rocker movement in response to a linear
actuation motion, a return spring (220) for resetting the rocker arm, a
ratchet wheel (230) engagable with the pawl to convert the movement of
the rocker arm into an incremental rotational motion of an axle
arrangement (240) advancing a display means (60), the axle arrangement
further comprising a back rotation prevention means (280) in the form of
a spring loaded friction brake and a worm gear, the display means
comprising rotatable indicator means (120) with teeth that engage the
worm-gear and a stationary scale.