Patent ID: 7906075
Filing Date: 2011-03-15
Classification: B01L,G01N

Abstract:
1. A pipette tip rack for detachably housing a plurality of pipette tips used in an automatic liquid dispensing apparatus for dispensing liquid comprising: a rack body comprising a pipette tip supporting portion for detachably supporting the pipette tips, and a pipette tip housing portion disposed below the pipette tip supporting portion, the pipette tip supporting portion being substantially square and having a plurality of pipette tip inserting holes disposed in a matrix arrangement such that longitudinal disposition and lateral disposition thereof are substantially equivalent; and a lid member that is placed onto the pipette tip supporting portion for covering root portions of the pipette tips inserted into the holes, and being substantially square, wherein the pipette tip supporting portion includes four side walls, each of which includes a pair of lower protruding portions for fixing the pipette tip supporting portion to the automatic liquid dispensing apparatus and an upper protruding portion to be grasped by a user; the pair of lower protruding portions are arranged on a lower end position of the side wall so as to protrude outwardly from the side wall; the upper protruding portion is arranged on the side wall so as to protrude outwardly from the side wall, a position of the upper protruding portion being upper than the pair of lower protruding portions and center of the side wall in a transverse direction; the lid member has four notches configured such that the four upper protruding portions are inserted into the four notches when the lid member is placed onto the pipette tip supporting portion; and the four upper protruding portions protrude outwardly from the lid member through the four notches in a state in which the lid member is placed onto the pipette tip supporting portion.