Patent ID: 8517019

Claim:
A dose counter device of the type for use on an aerosol dispensing assembly, wherein the dose counter device is for indicating the release of a dose of aerosol medication caused by the application of a force, in an axial direction, on the aerosol dispensing assembly, the dose counter device comprising: a base; a cap coupled to the base for axial, non-rotational movement with respect to the base, with the cap having a peg thereon extending toward the base; a spring disposed between the base and the cap to bias the cap axially away from the base; a slider non-rotatably disposed relative to the peg, the slider having two fingers projecting from opposite ends thereof, the slider and the peg having cooperating facing and slidably mating surfaces whereby axial movement of the cap relative to the base causes lateral movement of the slider relative to the cap; and a first counter ring rotatably disposed relative to the base, the first counter ring having an inner surface comprising teeth that are engageable by the fingers of the slider acting alternately to cause indexed rotation of the first counter ring with respect to the base; and wherein the base or the cap is mountable to the aerosol dispensing assembly.