Pipe joints or couplings – With casing – lining or protector
Patent
1997-03-20
1999-01-26
Arola, Dave W.
Pipe joints or couplings
With casing, lining or protector
285 84, 285312, 285379, 285422, F16L 5500
Patent
active
058630791
ABSTRACT:
A quick connect/disconnect coupling comprised of a male coupling adapted to mate with a female coupling, the female coupling forming a passageway to receive the male coupling, and locking means for retaining the male coupling in said female coupling. The locking means being comprised of a locking lever pivotably mounted to the female coupling and having a cooperating projection adapted to extend through the coupling into the passageway to engage an annular cavity of the male coupling to maintain the male coupling into a mating relationship with the female coupling when the locking lever is in a closed position. The male and female couplings are provided with a reinforced annular rim, the reinforced annular rim of the male coupling extends radially of the coupling at a mid-portion thereof. The reinforced annular rim of the female coupling extends radially of said coupling at the distal end thereof, such that when said male coupling is inserted and locked into said female coupling, the reinforced annular rims of the male and female couplings lie adjacent one another.
REFERENCES:
patent: 3052488 (1962-09-01), Bruning
patent: 3439942 (1969-04-01), Moore et al.
patent: 3860274 (1975-01-01), Ledstrom
patent: 5005876 (1991-04-01), Fahl
patent: 5127678 (1992-07-01), Henning
patent: 5295717 (1994-03-01), Chen
Donais Michel
Lamontagne Denis
Arola Dave W.
Gestion Michel Donais
Townsend Marvin S.
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