Quick coupling for lines in automobiles

Details Quick coupling for lines in automobiles Quick coupling for lines in automobiles

1993-07-15

1994-12-27

Nicholson, Eric K.

Pipe joints or couplings

Essential catch

Leaf spring

285 93, 285921, F16L 3500, F16L 3900

Patent

active

053758927

ABSTRACT:
A quick coupling for detachably connecting a hose nipple to a pipe socket of automotive hoses has a pipe socket and a hose nipple with a first and a second end. A hose is fixedly and sealing connected to one end of the pipe socket and the hose nipple. A sealing ring is connected to the outer wall surface of the free end of the hose nipple. The hose nipple is inserted with its free end into the pipe socket and fixedly and detachably connected to the pipe socket such that the sealing ring radially seals the space between the inner wall surface of the pipe socket and the outer wall surface of the hose nipple by being radially compressed. The free end of the pipe socket has a plurality of openings and the hose nipple has a plurality of tongue-shaped springs for engaging the openings extending axially from the sealing ring toward the connected hose. Each spring has a conical, radially outwardly extending portion. The springs are forced radially inwardly upon insertion of the hose nipple into the pipe socket by the forward edge of the pipe socket and, upon reaching a sealing end position, the springs snap radially outwardly into the openings of the pipe socket.

REFERENCES:
patent: 4844512 (1989-07-01), Gahwiler
patent: 4900065 (1990-02-01), Houck
patent: 4941689 (1990-07-01), Sjoberg
patent: 5002315 (1991-03-01), Bartholomew
patent: 5022461 (1991-06-01), Potter et al.
patent: 5064227 (1991-11-01), Spors et al.
patent: 5069489 (1992-12-01), Bartholomew
patent: 5078429 (1992-01-01), Braut et al.
patent: 5123677 (1992-06-01), Kreczko et al.
patent: 5152555 (1992-10-01), Szabo
patent: 5193857 (1993-03-01), Kitamura
patent: 5228724 (1993-07-01), Godeau

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