Apparatus for sample handling for an injection system of a chromatograph
US7157055B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 21, 2003 |
| Grant date | Jan 2, 2007 |
| Priority date | — |
| Expiry date | Jan 10, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2030/128
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention relates to an apparatus for sample preparation and/or sample delivery for an injection system of a chromatograph, having a magazine (1), which can be moved in steps, for juxtaposed sample tubes (2), and having a lifting device (6) which can be moved between two end positions perpendicular to the transport direction of the magazine (1) via a motor (11) and bears a gripper (7) for a sample tube (2), as well as having a transfer device for a sample tube (2), the lifting device comprising at least one telescopic threaded cylinder (8) which bears the gripper (7) and has a plurality of nested threaded cylinders with an inner threaded cylinder (8a) and an outer threaded cylinder (8d) of which one is arranged non-rotatably relative to the magazine (1), while the other can be rotated by the motor (11).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.