Quick-connect tubular coupling

Details Quick-connect tubular coupling Quick-connect tubular coupling

1981-12-16

1983-08-30

Scanlan, Jr., Richard J.

Pipe joints or couplings

Essential catch

Coil spring

285 93, 285321, F16L 3900, F16L 5500

Patent

active

044013264

ABSTRACT:
A quick-connect coupling for connecting and hydraulically sealing two tubes that carry fluid has a cage fixed to the end of one tube and a garter spring retained in the cage. The second tube, which can be fitted over the first tube, has a flared end, which, when forced into contact with the spring, causes the spring to expand until it clears the flared end after which it contracts. During the contraction process a snap ring fitted on the outer surface of the cage is dislodged abruptly and produces a positive indication that the tubes have been properly connected.

REFERENCES:
patent: 2939728 (1960-06-01), Bitel
patent: 3250331 (1966-05-01), Boyle
patent: 3453005 (1969-07-01), Foults
patent: 3532101 (1970-10-01), Snyder
patent: 4055359 (1977-10-01), McWethy

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