Multi-channel pipetter
US4824642A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 21, 1986 |
| Grant date | Apr 25, 1989 |
| Priority date | — |
| Expiry date | Oct 21, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S436/809
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A multi-channel pipetter has a U-shaped housing with horizontal upper and lower arms and an interconnecting hand grip portion. A plurality of nozzles that serve to support replaceable tips are mounted on the lower arm in a vertical orientation and are connected by a flexible tubing that extends upwardly through the grip portion to a circular array of cylinders disposed horizontally in the upper arm. A piston-cylinder-volume setting mechanism is horizontally disposed in the upper arm. The mechanism is actuated by a trigger on the hand grip portion and the volume is controlled by a micrometer head which operates a stop within the upper arm. A tip ejector is mounted in the lower arm which provides substantial mechanical advantage for stripping the tips from the nozzles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.