Pipe joints or couplings – With fluid pressure seal – With separate – encased pipe-gripping means
Patent
1977-09-22
1981-10-06
Arola, Dave W.
Pipe joints or couplings
With fluid pressure seal
With separate, encased pipe-gripping means
174 65R, 285162, 285205, F16L 304
Patent
active
042931517
ABSTRACT:
The connector comprises a tubular generally cylindrical connector body having means for retaining an armored BX electrical cable, or any other desired cable, therein. An internally threaded nut is mounted on an externally threaded front portion of the body. The rear portion of the body is provided with a plurality of resiliently yieldable latching arms which slant outwardly and forwardly therefrom. The latching arms yield inwardly when the connector body is pushed rearwardly through an opening in a supporting wall, whereupon the latching arms spring outwardly behind the supporting wall. The nut can then be tightened so that the wall will be clamped between the nut and the latching arms. In this way, the connector can be mounted on a supporting wall which is inaccessible from the rear side. The electrical cable may be retained within the connector body by a clamping screw which is recessed within the periphery of the body, so that the screw does not interfere with the insertion of the connector body through the opening in the supporting wall. As an optional feature, a wedging ring may be slidably mounted around the connector body, between the nut and the latching arms, so that the ring will cause the latching arms to be spread outwardly when the nut is tightened.
REFERENCES:
patent: 1106761 (1914-08-01), Weikert et al.
patent: 2128040 (1938-08-01), Conners
patent: 2514504 (1950-07-01), Moline
patent: 2559759 (1951-07-01), DeSwart
patent: 3405958 (1968-10-01), Holdren
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