Swivel fitting

Pipe joints or couplings – Adjustable angle

Patent

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Details

285185, 285273, 2853342, 285907, F16L 2708

Patent

active

052900746

ABSTRACT:
An improved swivel fitting for interconnecting two tubular members which permits a range of relative swinging movement of the conduits relative to another, and wherein a cord or fiber optic length is adapted to be passed. It includes a housing composed of mating members, one of which is on the end of each conduit. In mated relation, a joint is defined between the conduit ends in which there is an internal annular path for the cord. The open ends of the conduits communicate with the path in the housing. The assembly is held in mated relation by a headed screw passed through a central, lateral, through hole in the housing members, and an ut is provided for threaded adjustment on the end of the headed screw. The central lateral through hole is sized to receive a hub structured with oppositely extending frustoconical portions and the hub has a through bore to receive the screw. The headed screw and nut are sized to apply a degree of force to compression washers which bear against the hub to selectively increase or decrease the friction between the housing members to select the degree of torque needed to swing the conduits relative to one another to permit or restrain swinging movement of angular adjustment of the conduits relative to one another while the cord is captivated within the internal path of the housing.

REFERENCES:
patent: 418591 (1889-12-01), Roberts
patent: 1217041 (1917-02-01), Martz
patent: 2458967 (1949-01-01), Wiedenhoeft
patent: 2825586 (1958-03-01), Robboy
patent: 4791961 (1988-12-01), Nitzberg et al.

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