| abstract |
inhaler device counter element. The present invention relates to a counter element (20) of an inhaler device comprising a counter housing (390), a swing arm (200) with a tab (210), the swing arm being pivotally supported by the housing and arranged for perform an oscillating motion in response to linear actuation motion, a return spring (220) for restoring the oscillating arm, a ratchet handwheel (230) that can be engaged with the tongue to convert oscillating arm movement into a motion incremental rotary arrangement of a shaft arrangement (240) advancing a display device (60), the shaft arrangement further comprising a retroactive rotation prevention device (280) in the form of a spring-actuated friction brake and a helical gear , the display device comprising toothed rotary indicating means (120) which engage with the helical gear and a stationary scale. |