Patent ID: 6238626
Filing Date: 2001-05-29
Classification: B01L,G01N,Y10T

Abstract:
An automatic distribution apparatus for distributing liquids, wherein a distribution tip attached to a lower end of a distribution nozzle can be replaced at any time necessary, comprising:a fitting stage that supports a tip rack for holding a plurality of unused distribution tips lined up thereon with lower ends of the unused distribution tips projecting downward from a bottom of the tip racks to have the plurality of unused distribution tips fitted with the distribution nozzles; anda detector for detecting whether or not there is a distribution tip left behind on the tip rack without being attached to one of the distribution nozzles after a fitting operation is finished;wherein a targeted place of detection by said detector is a portion, of the unused distribution tip left behind on the tip rack, which projects downward from the bottom of the tip rack.