Vial presence indicator for vial-bearing rack
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United States of America Patent
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Mar 12, 2013
Grant Date -
Apr 21, 2011
app pub date -
Dec 22, 2010
filing date -
May 24, 2004
priority date (Note) -
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Abstract
An indicator for enabling an analytical instrument to positively detect the presence of a vial in respective vial-receiving rack position regardless of whether the vial is oriented in a manner necessary for a code reader to read a code printed on the vial. Translation of a leaf spring upon insertion of a vial into a rack position causes a flag to obscure a code provided adjacent the rack position. An instrument into which the rack is installed interprets the failure of the code reader to detect this code as positive indication that a vial is disposed within the respective rack position.
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