Plunger stroke pipette
US8133453B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 31, 2006 |
| Grant date | Mar 13, 2012 |
| Priority date | — |
| Expiry date | Oct 15, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01L2300/026
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A plunger stroke pipette for replaceable pipette points with a seat for the detachable mounting of a pipette point, a plunger, a cylinder in which the plunger is movably arranged, a connection channel connecting the cylinder with an opening in the seat, a driving equipment, coupled to the plunger for displacing the plunger in the cylinder, an upper stopper and a lower stopper and at least one counter-stopper of the driving equipment and/or the plunger for limiting the stroke of the plunger, a holder, holding the lower stopper, an overstroke spring between the upper stopper and the holder, an adjustment equipment for adjusting the position of the holder with respect to the cylinder, and an indicating equipment for indicating the position of the holder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.