Pipe joints or couplings – Safety release
Patent
1997-07-03
1998-10-06
Nicholson, Eric K.
Pipe joints or couplings
Safety release
285316, 285 81, 137595, F16L 3500
Patent
active
058166211
ABSTRACT:
A pair of quick disconnect female fittings each have a first end adapted to be connected to a first pipe, and a second end adapted to engage a quick disconnect male fitting attached to a second pipe. Each of the quick disconnect female fittings includes a sleeve adapted to cause the quick disconnect male fitting to disconnect from the quick disconnect female fitting when the sleeve is urged toward the first end. A pair of elongated members are disposed generally parallel to the quick disconnect female fittings. A plate is configured to slide along the elongated members. The plate is configured such that when urged toward the first ends of the quick disconnect female fittings along the elongated members, the plate will urge the sleeves toward the first ends. A first spring is disposed on each of the elongated members and is configured to urge the plate toward the first ends of the quick disconnect female fittings. Each of the elongated members includes a recess therein. A pair of restraining pins are slidably attached to the plate. A second spring is provided on each of the restraining pins, and is configured to urge the restraining pin out of the recess. A release pin is configured to be removably insertable through an aperture in the plate. The aperture is positioned such that when the release pin is inserted through the aperture, the release pin limits the travel of the restraining pin and the restraining pin is maintained in the recess.
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patent: 5285807 (1994-02-01), Nitzberg
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patent: 5507530 (1996-04-01), Mahaney
Grafel Gary
Nicholson Eric K.
Volk David L.
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