Pipe joints or couplings – With means blocking release of holding means – Auxiliary latch
Patent
1988-02-29
1990-06-12
Arola, Dave W.
Pipe joints or couplings
With means blocking release of holding means
Auxiliary latch
285361, F16L 3500
Patent
active
049326880
ABSTRACT:
A system for mating fluid transfer couplings is constructed having a male connector 32 which is provided with a pair of opposed rollers 54 mounted to an exterior region thereof. A male half 30 of a fluid transfer coupling is rotatably supported in an opening 36 in an end 38 of connector 32 and is equipped with an outwardly extending forward portion 20. Forward portion 20 locks into an engagement and locking region 16 of a female half 60 of the fluid transfer coupling, with female half 60 being rotatably supported in a receptacle 62. Receptacle 62 has an opening 70 aligned with locking region 16, with this opening having a pair of concentric, annularly disposed ramps 74 extending around an interior portion of opening 70. These ramps are inclined toward interior 78 of receptacle 62 and are provided with slots 76 through which rollers 54 of connector 32 pass. After connector 32 is inserted into receptacle 62 (engaging forward portion 20 into engagement region 16), relative rotation between connector 32 and receptacle 62 causes rollers 54 to traverse ramps 74 until the rollers abut and are gripped by retainers 82. This axially forces forward portion 20 into locked, sealed engagement with engagement region 16.
REFERENCES:
patent: 771094 (1904-09-01), Rhoads
patent: 1762572 (1930-06-01), Davidson
patent: 3455580 (1969-07-01), Howard
patent: 3700267 (1972-10-01), Piegza
Cody Joseph C.
Matthews Paul R.
Arola Dave W.
Manning John R.
Seemann Jerry L.
Sheehan William J.
The United States of America as represented by the Administrator
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