Dose counter for inhaler having a bore and shaft arrangement
US9731087B2 · kind B2 · utility
5Cited by
10References
9Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Apr 29, 2015 |
| Grant date | Aug 15, 2017 |
| Priority date | — |
| Expiry date | Apr 29, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49826
- WIPO fieldMedical technology
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.