Flow control

Details Flow control Flow control

1987-11-25

1990-09-04

Chambers, A. Michael

Fluid handling

Systems

Flow path with serial valves and/or closures

251126, 251291, 604249, A61M 5005

Patent

active

049535943

ABSTRACT:
A metering device for adjusting a flow rate of a flow of liquid comprises a flow-rate adjusting device including a rotatable adjusting member, and an actuating member for rotating the adjusting member. The actuating member is connectable with the adjusting member and may be disengaged therefrom in a respective adjusted position in order to avoid unintentional or incomplete adjustment of the metering device. A hexagonal head and a mating hexagonal recess are provided on either the adjusting member or the actuating member to effect engaging and disengaging of these members.

REFERENCES:
patent: 1763687 (1930-06-01), Chadwick et al.
patent: 3503586 (1970-03-01), Bordes
patent: 4361147 (1982-11-01), Aslanian et al.
patent: 4434963 (1984-03-01), Russell
patent: 4632359 (1986-12-01), Tooth
patent: 4634434 (1987-01-01), Marino, Jr. et al.
patent: 4673161 (1987-06-01), Flynn et al.

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