Pressure armed release device

Details Pressure armed release device Pressure armed release device

1989-08-30

1990-02-27

Sakran, Victor N.

Buckles, buttons, clasps, etc.

Separable-fastener or required component thereof

Including member having distinct formations and mating...

24603, A44B 1125

Patent

active

049033824

ABSTRACT:
A mechanical release of an object occurs after a release device is subjec to a first pressure and then is brought to a second pressure which is less than the first. The first pressure enables or arms the device so that its actuation or release takes place when the second, specific release pressure is reached. The setting and releasing pressures are substantially less than extremely high pressures which the device is capable of withstanding. A pair of opposed biasing springs and a diaphragm with a specifically contoured solid stop prevent deformation and any sliding of sealing surfaces to avoid failure.

REFERENCES:
patent: 2824315 (1958-02-01), McKenny
patent: 3262173 (1966-07-01), Pickens
patent: 3337255 (1967-08-01), Nicoloff
patent: 3581352 (1971-06-01), Lavin
patent: 4571788 (1986-02-01), Bruengger

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