Quick disconnect coupling

Details Quick disconnect coupling Quick disconnect coupling

1982-09-20

1984-12-04

Chambers, A. Michael

Fluid handling

Systems

Flow path with serial valves and/or closures

285316, F16L 3728

Patent

active

044858450

ABSTRACT:
A female quick disconnect coupling includes a locking mechanism which requires different forces to connect and disconnect a male coupling. A tubular housing is slidably mounted within a sleeve, and a pair of coil springs are mounted between the housing and the sleeve. Only one of the springs is compressed as the housing moves in one direction within the sleeve to permit a male coupling to be connected to the female coupling. Both springs are compressed as the housing moves in the other direction to permit the male coupling to be disconnected, thereby requiring a relatively high force to disconnect the couplings.

REFERENCES:
patent: 2797110 (1957-06-01), Covington
patent: 2972491 (1961-02-01), Dutton
patent: 3100655 (1963-08-01), Work
patent: 3201147 (1965-08-01), De Cenzo
patent: 4240466 (1980-12-01), Herzan et al.

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