Dose counter for inhaler having a bore and shaft arrangement
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United States of America Patent
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Aug 15, 2017
Issued Date -
N/A
app pub date -
Apr 29, 2015
filing date -
May 18, 2010
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A dose counter for an inhaler, the dose counter having a display tape arranged to be incrementally driven from a tape stock bobbin onto an incremental tape take-up drive shaft, the bobbin having an internal bore supported by and for rotation about a support shaft, at least one of the bore and support shaft having a protrusion which is resiliently biased into frictional engagement with the other of the bore and support shaft with longitudinally extending mutual frictional interaction.
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