Actuation indicator for a dispensing device
US7832351B2 · kind B2 · utility
11Cited by
10References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 12, 2008 |
| Grant date | Nov 16, 2010 |
| Priority date | — |
| Expiry date | Dec 12, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M15/009
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An actuation indicator which includes a drums sub-assembly including a rotatable actuation indicator wheel, a rocking ratchet pawl for rotating the indicator wheel in a set direction and a rocking mechanism for the pawl driven by a slipping clutch arrangement, wherein the slipping clutch arrangement includes a slipping clutch spring engaged at one end to a pinion of a rack and pinion assembly and at a second end to the ratchet pawl is described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.