Pipe joints or couplings – With assembly means or feature – Quick release
Patent
1975-07-18
1977-08-30
Arola, Dave W.
Pipe joints or couplings
With assembly means or feature
Quick release
285110, 285308, 285322, F16L 3500
Patent
active
040450554
ABSTRACT:
The invention relates to a quick-connect coupling for use with a conventional threaded male coupling member in which a female coupling member is provided of such design that the male member may be inserted and locked without moving or rotating the female member. A resilient snap ring is situated at one end thereof within a tubular shell member and is provided at said end with internal threads for engaging and holding the male member in position. The snap ring possesses a peripheral bevel on the outer surface of said threaded end which seats within a correspondingly enlarged section of said shell to hold the snap ring in locking engagement with the male member. In the event that force is applied to the coupling to pull it apart, the bevel is forced against an interior wall of said enlarged section and the ring is forced to contract in diameter to effect said locking engagement.
REFERENCES:
patent: 2458874 (1949-01-01), Parker
patent: 3390898 (1968-07-01), Sumida
patent: 3635501 (1972-01-01), Thomsen
patent: 3743326 (1973-07-01), Courtot et al.
Arola Dave W.
Bachman Robert H.
Olin Corporation
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