Pipe joints or couplings – Essential catch
Patent
1974-10-09
1976-08-10
Arola, Dave W.
Pipe joints or couplings
Essential catch
285174, 285347, 285351, F16L 3706
Patent
active
039737918
ABSTRACT:
A coupling device adapted for connecting conduits or the like which carry pressurized fluid and essentially embodies first and second coupling members, a pair of sealing members and retaining means. The first coupling member is arranged to be connected to the conduit and includes first and second spaced generally peripheral grooves, each of which is defined by respective first and second pairs of shoulders, and a peripheral depression formed adjacent one of the second pair of shoulders remote from the first groove. The pair of sealing elements are arranged such that respective ones thereof are suitably received within the first and second grooves for providing a fluid-tight seal. The second coupling member detachably receives the first coupling member and includes at least first and second bores which respectively slidably receive the first and second sealing members, and first and second openings which extend generally transversely to the longitudinal axis of the first and second bores. Such first and second openings are arranged adjacent to and in open communication with opposite sides of the peripheral depression formed on the first coupling member. The retaining means includes a pair of retaining members, each of which is respectively adapted to frictionally cooperate with the first and second openings and with the peripheral depression so as to interlock the first and second coupling members together, and for deforming the one shoulder formed adjacent the peripheral depression such that the first coupling member may not be slidably received by the first and second bores.
REFERENCES:
patent: 2772898 (1956-12-01), Seeler
patent: 2914344 (1959-11-01), Anthes
patent: 3527485 (1970-09-01), Goward et al.
Porta Frank L.
Porta Frank T.
Arola Dave W.
HPS Company, Inc.
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