Pipe joints or couplings – Essential catch – With manipulator
Patent
1995-05-19
1996-09-10
Nicholson, Eric K.
Pipe joints or couplings
Essential catch
With manipulator
F16L 3722
Patent
active
055538991
ABSTRACT:
A quick connect coupling is disclosed of the type adapted for connection to a nipple having a radially inwardly extending recess formed at a position spaced from a free end of the nipple. The quick connect coupling includes a tubular and cylindrical body open at each end wherein one end of the body is dimensioned to slidably extend over the free end of the nipple to a connected position. The body includes a plurality of circumferentially spaced openings which are in alignment with the nipple recess when the coupling is moved to its connected position. A spherical retainer is disposed in each opening and is radially movable between a locked and an unlocked position. A tubular and cylindrical locking ring normally urges the retainers to their locked position. Each housing opening has at least one side wall which extends substantially perpendicular from a predetermined diameter of the body. This enables the body to be molded from a two-part mold without the necessity of insert molding.
REFERENCES:
patent: 3390898 (1968-07-01), Sumida
patent: 3761117 (1973-09-01), Shendure
patent: 4014467 (1977-03-01), Ferguson
patent: 4198080 (1980-04-01), Carpenter
patent: 4543993 (1985-10-01), Calvin et al.
patent: 5310226 (1994-05-01), Norkey
Anderson Stephen
Norkey Phillip
Nicholson Eric K.
Pilot Industries, Inc.
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