Farm coupling

Details Farm coupling Farm coupling

1998-11-05

2000-09-12

Huson, Gregory L.

Fluid handling

Systems

Flow path with serial valves and/or closures

137614, F16L 3728

Patent

active

061162779

ABSTRACT:
A coupling that is useable on farm implements is disclosed. A metal to metal vent valve is employed in the female half of the coupling which constantly vents the supply port to the vent port when the female half is disconnected or partially disconnected from the male half. Steps in the bore of the female body permit easier disconnection because the ball valve is not depressed thus lowering disconnection faces. When the male half is being coupled with the female half the female half is vented thus making coupling easy.

REFERENCES:
patent: 3570543 (1971-03-01), Ekman
patent: 3730221 (1973-05-01), Vik
patent: 3791411 (1974-02-01), Bogeskov et al.
patent: 4077433 (1978-03-01), Maldays
patent: 4249572 (1981-02-01), Shindelar et al.
patent: 4303098 (1981-12-01), Shindelar
patent: 4598896 (1986-07-01), Maldas
patent: 4881573 (1989-11-01), Durant
patent: 5730185 (1998-03-01), Wilkins
patent: 5918633 (1999-07-01), Zeiber
patent: 5937899 (1999-08-01), Zieber

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