Pipe joints or couplings – Essential catch – With manipulator
Patent
1976-03-08
1977-08-02
Larkin, G. V.
Pipe joints or couplings
Essential catch
With manipulator
285 13, F16L 3900
Patent
active
040392139
ABSTRACT:
A fluid conducting pressure locking O-ring element sealed hose coupling with automatic cocking/locking straight thrust insertion couple features and a push button couple release and safety vent innovation usable after the discharge of pressure within the coupled unit. Said coupling unit consists of tubular conduits that are swivelly coupled to each other by axially overlapping conduits that are axially directionally locked by a hook type flanged abutment pin slidably received radially by a positioning square opening within a fulcrum contained within a boss on the female member and maintained radially slidable by positioning square configurations and spring coils with outward extending arms. Said coils are received and maintained between said pin flanges. A slidable operating cap member is positioned and maintained by a retaining sleeve secured to said boss of the female member to where said spring arms are retained operable between the operating cap member and the fulcrum ring of the female member in a manner that when the male member is inserted within the female member at the couple procedure said pin is wedgingly forced radially outward by the bevelled configurations of the pin and the male member further deforming said attached spring coil arms until the engaging configurations of the male member passes under said pin. Then the spring deformed arms reacting forces return the pin radially inward to its seated normal station and locking abutment position of the interlocking parts. Then the subsequent uncouple procedure, when the force of pressure within the coupling is absent and the male member is further inserted into the female member to disengage the couple locking configurations, is accomplished by the operating cap being pushed radially inward to activate a cantilever action with said spring arms across the fulcrum ring to lift the locking pin radially outward to permit withdrawal of the coupled members one from the other.
REFERENCES:
patent: 1098265 (1914-05-01), James
patent: 2431268 (1947-11-01), McIntyre
patent: 2677560 (1954-05-01), Cornelius
patent: 3796448 (1974-03-01), Ringkamp
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