Swivel coupling means for electrical conduits and the like

Details Swivel coupling means for electrical conduits and the like Swivel coupling means for electrical conduits and the like

H - Electricity

02

G

285/41

H02G 3/06 (2006.01) F16L 17/06 (2006.01) F16L 19/00 (2006.01) F16L 19/02 (2006.01)

Patent

CA 1042479

SWIVEL COUPLING MEANS FOR ELECTRICAL CONDUITS AND THE LIKE ABSTRACT OF THE DISCLOSURE A coupling member for joining two generally coaxial tubular members, for example electrical conduits, fittings and the like, is disclosed. The coupling member includes an elongated sleeve having axially extending threads formed internally at one end thereof and an outwardly flared, deformable section at the end thereof opposite the threads. The deformable section has an inwardly directed lip for engaging an annular groove formed on the outside surface of one of the members that is to be coupled. The other member that is to be coupled is provided with external threads that are arranged to matingly engage the internal threads on the sleeve. Interface surfaces for temporarily securing the sleeve and the second one of the two members to be joined are provided so that the sleeve does not rotate while the first one of the two members is being engaged therewith. The sleeve is axially movable relative to the second one of the two members to be joined in order to permit relative rotational movement between the two tubular members after the coupling thereof has been completed. The interface surfaces are defined by cooperating tapered surfaces, where the tapered surfaces may be knurled, or a ring-shaped member interposed between the confronting ends of the two members.

273966

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