Aviation fueling hydrant coupler with internal actuating...

Details Aviation fueling hydrant coupler with internal actuating... Aviation fueling hydrant coupler with internal actuating...

2011-08-30

2011-08-30

Lee, Kevin L (Department: 3753)

Fluid handling

Hydrant type

With casing

C251S095000, C251S113000, C285S085000, C285S308000, C285S315000

Reexamination Certificate

active

08006713

ABSTRACT:
A hydrant coupling assembly includes a hydrant valve and a hydrant coupler, including a coupler body and a coupler actuating collar assembly having an actuating collar movable axially relative to the coupler body. The actuating collar includes at least one movable latching lug that is selectively moved into place around a mating feature on the hydrant valve adapter by lifting or lowering the actuating collar. A locking mechanism is installed within the coupler actuating collar and includes a coupler plunger, a collar plunger, a coupler plunger check ball, and a collar plunger cheek ball. The coupler plunger and the coupler plunger check ball are adapted to lock the actuating collar in a disconnected state and the collar plunger and the collar plunger check ball are adapted to lock the actuating collar in a connected state. A hydrant coupler for use in a hydrant coupling assembly is also disclosed.

REFERENCES:
patent: 4078577 (1978-03-01), Brown
patent: 4303093 (1981-12-01), Swindler

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