Patent ID: 7093507
Filing Date: 2006-08-22
Classification: B01L

Abstract:
1. A pipette control arrangement comprising: a housing assembly; a pump assembly operatively connected to the housing assembly; a pipette connector operatively connected to the pump assembly and adapted to operatively receive a pipette; a quick release mechanism for rapidly discharging at least a portion of a liquid from the pipette, the quick release mechanism having an engaging plug with at least a first engaging portion provided for engagement with and disengagement from the pipette connector, so as to define respective closed and open positions of the pipette connector in such a manner that in the closed position the first engaging portion engages the pipette connector and in the open position the first engaging portion is released from its engagement with the pipette connector, and a mechanical drive assembly provided to discharge the liquid in the closed position of the pipette connector, the mechanical drive assembly includes a thumb wheel pinion sub-assembly and a plunger mounted rack sub-assembly operatively connected to the thumb wheel pinion sub-assembly.