Pipe joints or couplings – Safety release
Patent
1978-03-27
1980-07-01
Callaghan, Thomas F.
Pipe joints or couplings
Safety release
285 45, 285137R, 285316, F16L 3722, F16L 3728
Patent
active
042103487
ABSTRACT:
A dust-sealing assembly for a coupling for use in a fluid circuit in which a body member is movably mounted on a mounting plate, and a nipple-releasing mechanism is fixed to the mounting plate and embraces a sleeve member that is mounted on and extends from one end of the body member, the nipple-releasing mechanism being spaced from the one end of the body member. A compression spring is disposed about the sleeve member in the space between the body member and nipple-releasing mechanism for holding the body member relatively away from the nipple-releasing mechanism. A dust cover is disposed about the sleeve member and spring, and is disposed in the space between the body member and the nipple-releasing mechanism for deterring entry of foreign material into the space. The compression spring engages the dust cover and retains the dust cover in place. The dust cover includes a flange that extends over the space and into close lapping relation to the nipple-releasing mechanism for permitting relative movement and yet deterring entry of foreign material therebetween. The elongate slot extends into the space below the dust cover, and a dust-sealing layer is extended over the elongate slot for deterring entry of foreign material into the space through the slot.
REFERENCES:
patent: 2014355 (1935-09-01), Hussman
patent: 2930633 (1960-03-01), Ethington et al.
patent: 3551013 (1970-12-01), Trojanowski et al.
patent: 4005735 (1977-02-01), Miyamoto
patent: 4074698 (1978-02-01), Hobson et al.
Graber Elmer A.
Hobson Willis S.
Callaghan Thomas F.
Seymour Manufacturing Co., Inc.
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