Patent ID: 7264779

Claim:
An ejection mechanism for a sampling pipette, the ejection mechanism comprising: an actuator mounted to a body of a sampling pipette; a connector, the connector comprising a head capable of coupling with the actuator; and a shank extending from the head; a nut including a bore capable of receiving the shank; and an ejector rod, the ejector rod comprising a first end capable of separating from the sampling pipette a cone that is positioned on the pipette; and a second end opposite the first end, wherein the second end comprises a first duct extending from a first surface, the first duct capable of receiving at least a portion of the head; a second duct extending from a second surface, the second duct capable of receiving at least a portion of the shank; and a notch in the ejector rod disposed between the first duct and the second duct, the notch capable of receiving the nut.