Multiple shot pipetter

Details Multiple shot pipetter Multiple shot pipetter

1974-12-16

1976-05-04

Swisher, S. Clement

Measuring and testing

Measuring vessel

128236, G01N 114

Patent

active

039540146

ABSTRACT:
A device is disclosed for receiving a disposable pipette tip, aspirating a supply of liquid into the pipette and dispensing the liquid in precise predetermined dosages. The device comprises a housing, a cylindrical passage within the housing, a piston extending into the passage from the rear end thereof and a plunger extending rearwardly from the piston. Actuating means are disposed within the housing for advancing the plunger forward in discrete amounts and a trigger extends from the housing operatively engaging the actuating means. The device further includes means for disengaging the actuating means whereby the plunger may freely be moved forward and back to permit a supply of liquid to be aspirated into the pipette. A detipping mechanism is also provided which permits a pipette tip to be removed without requiring any handling of it.

REFERENCES:
patent: 3160156 (1964-12-01), Tyler

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