Quick attach, reusable hose fittings

Details Quick attach, reusable hose fittings Quick attach, reusable hose fittings

1995-07-10

1996-09-24

Arola, Dave W.

Pipe joints or couplings

With assembly means or feature

With holding means functioning only during transportation...

285177, 285249, 285351, F16L 5500

Patent

active

055583750

ABSTRACT:
A reusable hose fitting, which may be assembled using simple hand tools, includes a fitting body having an exteriorly threaded section on which is received a threaded bore of a compression nut. The fitting body includes a nipple having a diameter somewhat less than the threaded section and joined thereto by an annular locating surface. A compressible sleeve is located within the compression nut and has a pair of axially spaced, frusto-conical exterior surfaces which cooperate with complementary interior surfaces of the compression nut to exert a pair of axially spaced zones of pressure to clamp a hose, that has its end positioned against the locating surface of the fitting body, against the nipple. Cooperating surfaces of the compression nut and compressible sleeve prevent the latter from being accidentally dislodged from the compression nut once inserted past the threaded bore of the nut. A pair of o-rings having different outside diameters are provided in axially spaced grooves in the nipple so that effective sealing may be accomplished with hoses having slightly different inside diameters.

REFERENCES:
patent: 1175532 (1916-03-01), Lambkin
patent: 2449916 (1948-09-01), Tandet
patent: 2541200 (1951-02-01), Brubaker
patent: 2552077 (1951-05-01), Williams et al.
patent: 3348863 (1967-10-01), Rinker
patent: 3679239 (1972-07-01), Schmitt
patent: 4032177 (1977-06-01), Anderson
patent: 4220359 (1980-09-01), Evenson et al.

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