Pipe joints or couplings – Swivel – Pipe in socket type
Patent
1993-12-20
1995-03-07
Arola, Dave W.
Pipe joints or couplings
Swivel
Pipe in socket type
285 61, 285175, 285351, 285381, F16L 2708
Patent
active
053951417
ABSTRACT:
A swivel coupling device is disclosed which includes a first portion having a first and a second end. The first portion includes a tubular extension which defines a cylindrical outer surface having an annular recess therein. An O-ring co-operates with and is partially disposed within the recess. A hexagon member is disposed between the extension and the second end of the first portion for selectively inhibiting rotational movement of the first portion. A collar is disposed between the recess and the hexagonal member. The collar and the hexagonal member define therebetween an annular groove. An open sided washer co-operates with the annular groove. A second portion has a first and a second extremity and defines a bore and a counter bore. The bore extends from the first extremity to the counter bore and the counter bore extends from the bore to the second extremity. A cylindrical insert is disposed within the counter bore. The insert defines a conduit which slidingly receives therein the tubular extension such that the O-ring slidingly engages the conduit. A flange extends from the second extremity and the second portion and a fastener fastens the washer to the flange. The arrangement is such that when the extension is slidingly received within the conduit, and when the washer is disposed within the groove, the fastener fastens the washer to the flange so that relative rotation between the first and the second portion is permitted.
REFERENCES:
patent: 2305725 (1942-12-01), Meyer
patent: 2632659 (1953-03-01), Lee
patent: 3266821 (1966-08-01), Sofford
patent: 4229024 (1980-10-01), Oberrecht
Archer David J.
Arola Dave W.
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