B - Operations – Transporting – 01 – L
Patent
B - Operations, Transporting
01
L
222/2, 150/24, 2
B01L 3/02 (2006.01) G01N 35/10 (2006.01)
Patent
CA 1284871
ABSTRACT OF THE DISCLOSURE A pipetting device is formed of a supporting frame, a slider mounted on the supporting frame for vertical movement, a plunger type stem having a lower end fittable within the upper end of an approximately inverted cone shaped nozzle tip, the stem being mounted for vertical movement on the slider, and a conduit for supplied the lower end of the stem with an air supply and exhaust device so that the nozzle tip may be communicated with air or air may be sucked therefrom. A rotating cam cooperates with a pin on the slider for vertically moving the slider by a large stroke. An air cylinder has a piston fixed relative to the stem for vertically moving the stem by a small stroke. A lever loosely mounted on the lower end of the stem can engage the nozzle tip for removing the nozzle tip from the stem.
537495
Swabey Ogilvy Renault
Tosoh Corporation
LandOfFree
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