Autosampler with robot arm
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United States of America Patent
Stats
-
Sep 7, 1999
Issued Date -
N/A
app pub date -
Aug 29, 1997
filing date -
Jul 11, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A modular vial autosampler has a storage area for vials containing samples to be analyzed and at least one modular sampling station. A vial transfer mechanism includes an arm having a gripper that lifts a sample vial from the storage section, and the arm moves it to a station for identification and then to a sampling station, and under central control activates the sampling station for obtaining a sample for analysis. The vial transfer mechanism gripper is movable in X, Y, and Z directions to capture and move a selected vial and includes an alignment guide for the vials. Potentiometers are used for providing signals indicating arm position and the control is provided with updated information for calibration of the potentiometers and also updated position information for the arm relative to a fixed home position is obtained.
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Family
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Cited Art Landscape
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