Pipe joints or couplings – With means blocking release of holding means – Key or pin
Patent
1988-09-26
1989-10-03
Arola, Dave W.
Pipe joints or couplings
With means blocking release of holding means
Key or pin
285 93, 285312, F16L 5500
Patent
active
048711950
ABSTRACT:
A quick disconnect coupling which includes a tubular male plug defining a groove in the exterior surface thereof. The plug is received in a socket which defines apertures on its opposite sides. These apertures are aligned with the groove in the plug when the plug is sealingly seated in the socket. Two lever arms are pivotally connected to opposite sides of the socket. Each has an elongated handle portion, and a pivot head pivotally connected to said socket adjacent one of the apertures. A cam portion on each pivot head projects through the adjacent socket aperture into camming engagement with the groove. Two pairs of lugs are mounted on opposite sides of the socket with each pair defining aligned pin holes. The lugs in each pair are positioned on opposite sides of one of the handles when the lever arms are in their locking positions. A locking pin is provided having a first straight leg extending through the aligned lug pin holes, and further having a bent angulated leg of generally W-shaped configuration. The straight and angulated legs are joined through a finger grip section.
REFERENCES:
patent: 3527485 (1970-09-01), Goward et al.
patent: 3584902 (1971-06-01), Vyse
patent: 4295670 (1981-10-01), Goodall et al.
Arola Dave W.
Central Machine and Tool Company
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