Pipe joints or couplings – Having plural independent paths – For concentric tubes or pipes
Patent
1993-08-16
1995-04-11
Reese, Randolph A.
Pipe joints or couplings
Having plural independent paths
For concentric tubes or pipes
285168, 285181, 285190, 285272, F16L 2700
Patent
active
054051738
ABSTRACT:
A swivel joint connecting articulable fluid conducting arm members of a plumbing assembly includes an inlet member matable with a first arm member and having an inlet fluid passage from the arm member to an inlet collar section. An outlet member is provided matable with a second arm member. The outlet member also defines an outlet fluid passage from the respective second arm member to an outlet member collar section. A fluid conducting shaft member is disposed through the inlet and outlet member collar sections so that the collar sections rotate about the longitudinal axis of the shaft. A bearing sleeve is concentric about the shaft so that the collar sections rotate about the bearing sleeve. Resilient sealing rings are disposed about the shaft adjacent the bearing sleeve so as to prevent leakage of fluid from the swivel joint. Upon axially compressing the sealing rings and the bearing sleeve together, the sealing rings radially expand thereby sealing against the collar sections.
REFERENCES:
patent: 403767 (1889-05-01), Meyer
patent: 814448 (1906-03-01), Hirth
patent: 871577 (1907-11-01), Dunkel
patent: 1578951 (1926-03-01), Bersted
patent: 1832435 (1931-11-01), Voorhies et al.
patent: 2083970 (1937-06-01), Walter
patent: 2220216 (1940-11-01), Cloutier
patent: 2417494 (1947-03-01), Hoof
Chun Shackelford Heather
Reese Randolph A.
T & S Brass and Bronze Works, Inc.
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