Operating nut for fire hydrant

Details Operating nut for fire hydrant Operating nut for fire hydrant

1986-02-28

1987-01-06

Walton, George L.

Fluid handling

Hydrant type

With casing

137800, 1373825, 220 85P, 220284, 251291, F16K 3506, E03B 906

Patent

active

046338969

ABSTRACT:
An operating nut construction for a fire hydrant including a body member having a lower tapped portion for threadably receiving a fire hydrant valve rod, a sleeve rotatably mounted on the body member against axial movement, a cap rotatably mounted on the body member against axial movement, a narrow gap between the sleeve and the cap, and a plurality of shallow depressions in the body member aligned with the gap for reception of a specialized wrench having narrow shoulders thereon to turn the body member. The rotation of the sleeve or the cap or both will not turn the body member because they are rotatably mounted thereon.

REFERENCES:
patent: Re27616 (1973-04-01), Diaz
patent: 3070115 (1962-12-01), Jester
patent: 3453897 (1969-07-01), Adinolfi
patent: 3709249 (1973-01-01), Diaz
patent: 3840041 (1974-10-01), McMurray
patent: 3935877 (1976-02-01), Franceschi
patent: 4566481 (1986-01-01), Leopold, Jr. et al.

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