AN EXCHANGEABLE PIPETTE TIP EJECTION DEVICE

摘要

The exchangeable tip ejection device in the pipette built of the handle (1), the nozzle (2) and of, coupled with them, the pipetting push-button and the drawing up and discharging mechanism, said ejection device comprises the ejector push-button (3) seated in the upper part of the pipette handle (1), the ejector (4) by its lower end seated onto the pipette nozzle (2) and the assembly for continuous adjustment of the ejector length, said assembly for continuous adjustment of the ejector length is arranged between the ejector push-button (3) and the ejector (4), characterised in that the assembly for continuous adjustment of the ejector length is the connection of a "turnbuckle" type, and the ejector (4) comprises the ejector rod (6) and the ejector arm (9), whereas the ejector rod (6) is coupled with the ejector push-button (3), the ejector arm (9) is seated by its lower end onto the pipette nozzle (2), and the ejector rod (6) and the ejector arm (9) are coupled with each other with formation the cylindrical joint of the axis of rotation perpendicular to the longitudinal axis X of the pipette nozzle (2).