Dose counter for metered dose inhaler
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United States of America Patent
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Oct 20, 2020
Grant Date -
Jan 26, 2017
app pub date -
Mar 31, 2015
filing date -
Apr 3, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present disclosure relates to a dose indicator comprising, a chassis comprising a chassis frame and a displacement portion comprising a drive part to engage an indexable first display unit indexable about a first display axis, the indexable first display unit comprising a drive tooth to drive an indexable second display unit indexable about a second display axis, the second display axis being non-coaxial with the first display axis, the indexable second display unit comprising two or more second display unit indexing teeth, wherein the drive tooth and each of the second display unit indexing teeth comprise lips on their respective engagement surfaces, the drive tooth lip and second display unit indexing tooth lip each being adapted to engage at an engagement angle that produces a resultant force acting to pull the first display unit and second display unit together. The present disclosure further relates to an actuator for an inhaler, wherein the actuator comprises a dose indicator as described above. The present disclosure is also directed to an inhaler comprising such actuator.
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