Device for metered administration of a liquid product
US8529513B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 23, 2006 |
| Grant date | Sep 10, 2013 |
| Priority date | — |
| Expiry date | Mar 17, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/14264
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A device for administering an injectable substance, the device including a housing, a translation member moveable in a translation direction, a rotation member rotatably moveable about a rotation axis and coupled to the translation member to support the translation member counter to the translation direction, a rotary bearing including a bearing body bearing the rotation member rotatably about the rotation axis, the rotary bearing having support surfaces for supporting the rotation member axially on the bearing body, and a device for reducing play whereby at least two support surfaces are brought into contact with a pressing force, thereby reducing an axial play of the rotary bearing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.