Measuring and pipetting device

Details Measuring and pipetting device Measuring and pipetting device

1976-09-15

1978-04-18

Reeves, Robert B.

Dispensing

With discharge assistant

With discharge volume varying means

734256, 222567, G01F 1106

Patent

active

040847306

ABSTRACT:
Disclosed is a pipette device which accommodates a detachable filling device and a detachable piston. The stroke length of the piston is determined by the selective engagement of an abutment, movable with the piston, with stepped surfaces cut into a sleeve movable within an enclosing housing. A control member accessible at the housing exterior is angularly shifted to move the sleeve and thus select the step with which the abutment will engage, thereby determining the length of the working stroke of the piston.

REFERENCES:
patent: 3171663 (1965-03-01), Stark
patent: 3343539 (1967-09-01), Moorhouse
patent: 3492876 (1970-02-01), Bull et al.
patent: 3606086 (1971-09-01), Drummond et al.
patent: 3766785 (1973-10-01), Smernoff
patent: 3802608 (1974-04-01), Gullett
patent: 3815790 (1974-06-01), Allen et al.

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