Threadless nonrotating steel coupling system

Details Threadless nonrotating steel coupling system Threadless nonrotating steel coupling system

1984-10-29

1986-10-14

Arola, Dave W.

Pipe joints or couplings

With assembly means or feature

Guide and support

285 39, 285319, 285330, 285921, 285374, 285910, F16L 3500

Patent

active

046168559

ABSTRACT:
A threadless nonrotating steel coupling system that is quickly connected and disconnected in an axial manner by simple hand tools, is sealed by a compressible gasket, and is locked together by a pin system to prevent rotation of the male half-coupling relative to the female half-coupling. The coupling is held together by means of matching circular saw-toothed ridges and grooves at right angles to the axis of the coupling, which substitute for the pitched threads used in standard threaded coupling systems. The steel male half-coupling is rigid whereas the steel female half-coupling, which contains a series of spring-loaded and parallel longitudinal fingers, is flexible, since each steel finger is free to move in a radial direction with respect to the axis of the coupling system.

REFERENCES:
patent: 1157574 (1915-10-01), Mueller
patent: 2452219 (1948-10-01), Bergvall et al.
patent: 2805872 (1957-09-01), Routh
patent: 3442536 (1969-05-01), Fowler
patent: 3455579 (1969-07-01), Olliff et al.
patent: 3569903 (1971-03-01), Brishka
patent: 3733577 (1973-05-01), Hammond
patent: 3950014 (1976-04-01), Doubleday
patent: 4298221 (1981-11-01), McGugan

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