Security cap assembly and actuator

Details Security cap assembly and actuator Security cap assembly and actuator

1984-08-22

1985-07-02

Walton, George L.

Fluid handling

Hydrant type

With casing

811761, 814615, 137382, 137800, 220 85P, 220284, 220316, 251291, F16K 3506, E03B 906, E03B 914

Patent

active

045261938

ABSTRACT:
A disc-shaped inner member engages the valve stem. The inner member has a smooth uninterrupted exterior surface, except for a pair of spaced conical projections. An annular outer member is freely rotatably mounted around the inner member and has two peripheral slots. The actuator has a cap assembly receiving cavity including a pair of conical recesses adapted to engage the projections. Inwardly extending parts from spaced side portions are adapted to pass through the peripheral slots in the outer member and lodge thereunder to permit rotation of the valve stem.

REFERENCES:
patent: 1710844 (1929-04-01), Sherman
patent: 3456463 (1969-07-01), Mihalich
patent: 3556131 (1971-01-01), Diaz
patent: 3709249 (1973-01-01), Diaz
patent: 3935877 (1976-02-01), Franceschi
patent: 3963120 (1976-06-01), Perfect
patent: 4094437 (1978-06-01), Hayashida
patent: 4182361 (1980-01-01), Oakey
patent: 4356839 (1982-11-01), Voynovich
patent: 4379469 (1983-04-01), Britz
patent: 4432760 (1984-02-01), Mittleman et al.

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