Fluid sampling devices

Measuring and testing – Measuring vessel

Patent

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Details

G01N 124

Patent

active

041160673

ABSTRACT:
Fluid sampling apparatus employs one or more syringes having cylinder and plunger elements. A cam cooperates with a follower on one of such elements of each syringe, in response to rotation motion between the syringe and cam, to displace the follower for relatively displacing the plunger and cylinder thereby to displace fluid through an opening associated with each cylinder. Blocking structure blocks the opening when the follower is not being displaced by the cam.

REFERENCES:
patent: 3726144 (1973-04-01), Klein
patent: 3884081 (1975-05-01), Griffith

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