Invention Application
WO2009118456A1 PIPETTE WITH A KNOB 审中-公开
配KNOB管

PIPETTE WITH A KNOB
Abstract:
The invention relates to a pipette comprising a volume adjustment mechanism, with which the stroke of piston may changed by turning the rod. The rod (10) comprises a knob (11) having a lower position and an upper position so that when the knob is rotated, in the lower position the rod does not rotate with the knob but in the upper position it rotates. So the change of volume setting by accident is prevented.
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