G - Physics – 01 – N
Patent
G - Physics
01
N
73/103
G01N 1/14 (2006.01) G01N 35/10 (2006.01)
Patent
CA 1149640
ABSTRACT OF THE DISCLOSURE: The invention concerns a device for picking up liquid samples to be analyzed, especially in automatic samplers,it comprises a needle connected to a sucking pump and supported by a support which moves the needle downwards to pick up the sample from a vial containing same and up- wards from the vial. In order to perform a washing step after one aspiration and before the subsequent one, the needle support is designed to perform an oscillating move- ment when the support is in its upward position with respect to the vial. The oscillating movement is performed by the cooperation of cam means and a control rod having at least a pivot axis controlling the alternative movements. The oxcillating movement makes the needle plunge into a side- wardly positioned trough containing a washing liquid.
372261
Sisti Giorgio
Tosi Bruno
Trisciani Adriano
Erba (carlo) Strumentazione S.p.a.
Robic Robic & Associes/associates
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