Releasable push-to-connect tube fitting

Details Releasable push-to-connect tube fitting Releasable push-to-connect tube fitting

1985-03-04

1986-11-11

Arola, Dave W.

Pipe joints or couplings

Movable jaw

285382, F16L 2106

Patent

active

046218424

ABSTRACT:
A releasable push-to-connect tube fitting wherein a collet receiving the tube end is provided with longitudinally extending inner slots permitting constriction of the inner end of the collet about the tube end in the made-up condition of the fitting. The slots are sized so as to limit the constriction so as to maintain the outer diameter of the inner end of the collet greater than the minimum diameter of the confronting camming surface of the fitting body member, thereby effectively positively retaining the collet in the body member upon assembly of the fitting elements. The collet further includes an enlarged outer end exposed exteriorly of the fitting body in the made-up arrangement of the fitting for facilitated fingertip manipulation of the collet in releasing the tube from the fitting when desired. The collet is retained in the outer end of the body by constrictive deformation of the body outer end portion after installation of the inner portion of the collet therein. The constrictive deformation is effected by a suitable tool so as to define the desired inner surfaces of the body end cooperating with the collet in effecting the positive sealed connection of the tube end to the fitting.

REFERENCES:
patent: 2389233 (1945-11-01), Cowles
patent: 3150886 (1964-09-01), Briegel et al.
patent: 3266823 (1966-08-01), Word et al.
patent: 3653689 (1972-04-01), Sapy et al.
patent: 3909046 (1975-09-01), Legris
patent: 4005883 (1977-02-01), Guest
patent: 4021062 (1977-05-01), Mariaulle
patent: 4030741 (1977-06-01), Fidrych
patent: 4178023 (1979-12-01), Guest

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