A device for translatorily moving a plate-shaped pipette tray to the processing station of an analyzer for alignment therein. The pipette tray which frictionally rests on a continuous movement device is thereby moved up to a stop member and roughly aligned. A sensor cooperates with an encoding bar formed...http://www.google.de/patents/US5190727?utm_source=gb-gplus-sharePatent US5190727 - Device for moving and positioning pipette trays in an analyzer