Capture ring fitting

Details Capture ring fitting Capture ring fitting

1992-08-14

1994-12-13

Bradley, P. Austin

Pipe joints or couplings

Packed

Screw thimble

285 23, 285917, 29525, F16L 4900

Patent

active

053723937

ABSTRACT:
A fitting or fitting assembly is provided that comprises a fitting body having an enlarged first end, a nut having a circumferential ridge that has a diameter less than the first end of the fitting body so that the first end prevents the nut from sliding further in one direction, and a ring that is adapted to be assembled onto the exterior surface of the fitting body to prevent the nut from sliding further in a second direction opposite to the first direction. The nut has interior threads that are adapted to receive the external threads of a mated fitting. A method for assembling the fitting comprises the steps of sliding a nut having an internally threaded portion onto a fitting body having an enlarged end that prevents axial movement of the nut in a first direction, and press-fitting a retention ring about the fitting body at a desired position in order to limit the axial movement of the nut in a second direction opposite to the first direction.

REFERENCES:
patent: 1788750 (1931-01-01), Snyder
patent: 2417350 (1947-03-01), Conroy
patent: 2460110 (1949-01-01), Stinchcomb et al.
patent: 2839595 (1958-06-01), Felts
patent: 2958545 (1960-11-01), Stelzer
patent: 3200690 (1965-08-01), Dickman
patent: 3201148 (1965-08-01), Shurtleff
patent: 3572775 (1971-03-01), Bloom et al.
patent: 4073512 (1978-02-01), Vian et al.
patent: 4655658 (1987-04-01), Gulistan
patent: 4877270 (1989-10-01), Phillips
M. Favier, FR 1,000,956, Feb. 1952, (Figure Only).

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