Socket for pipe coupling

Details Socket for pipe coupling Socket for pipe coupling

1998-11-13

2000-11-28

Browne, Lynne H.

Pipe joints or couplings

Essential catch

With manipulator

285319, F16L 3718

Patent

active

061524964

ABSTRACT:
A pipe coupling comprises a cylindrical plug having a peripheral groove formed in an outer peripheral surface, and a socket to be connected to the plug. The socket includes a main body having a receiving hole formed in an end portion thereof for receiving the plug, a sleeve having a front end portion axially slidably inserted in the receiving hole, a base portion located outside the receiving hole, an axial through hole for receiving the plug such that it can slide therein, and a plurality of radial through holes formed therein at circumferentially regular intervals and radially inwardly tapered, and a plurality of lock members received in the radial through holes, part of each of the lock members being able to project into the axial through hole. The main body has an escape groove opening to that inner peripheral surface of the body, which defines the receiving hole, the escape groove allowing the lock members to move between a position in which they project from the radial through holes of the sleeve into the axial through hole, and a position in which they are retreated within the radial through holes. The sleeve has a plurality of axially extending slits formed between each pair of adjacent ones of the radial through holes, and a plurality of flexible fingers provided between the slits.

REFERENCES:
patent: 3826523 (1974-07-01), Eschbaugh
patent: 5226680 (1993-07-01), Bahner et al.
patent: 5240023 (1993-08-01), Shelef
patent: 5310226 (1994-05-01), Norkey
patent: 5607139 (1997-03-01), Kjellberg
patent: 5653480 (1997-08-01), Mine et al.
patent: 5882511 (1999-03-01), Blomquist

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