Self-aligning tube fitting

Details Self-aligning tube fitting Self-aligning tube fitting

1983-10-03

1987-03-31

Scanlan, Jr., Richard J.

Pipe joints or couplings

Swivel

Pipe in socket type

285388, 285305, 277169, F16L 2700

Patent

active

046537805

ABSTRACT:
An end fitting provides a coupling for a pair of parts which may be misaligned. One of the possibly misaligned parts is a nut having a bore therein. The other part is a ferrule fitting in the bore and, preferably having a lip seal thereon. A pair of confronting annular U-shaped slots are formed in the two parts, with a pin wire ring resting in the slots in order to join the two parts. The cross-sections of the two U-shaped slots are skewed with respect to a perpendicular to the bore, by an angle in the range of 6-degrees to 45-degrees, with the preferred angle being 15-degrees. The pin wire ring rides up and down the resulting tapered walls of the slots to compensate for any misalignment.

REFERENCES:
patent: 2253018 (1941-08-01), Cowles
patent: 3142498 (1964-07-01), Press
patent: 3672704 (1972-06-01), Christianson
patent: 3973791 (1976-08-01), Porta et al.
patent: 4186946 (1980-02-01), Snow
patent: 4262941 (1981-04-01), Lalikos et al.
patent: 4435005 (1984-03-01), Berger et al.

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