Self-locking coupling nut

Details Self-locking coupling nut Self-locking coupling nut

1984-08-23

1986-05-13

McQuade, John

Geometrical instruments

339DIG2, H01R 13623

Patent

active

045882452

ABSTRACT:
An electrical connector assembly having first and second electrical connector halves. Coupling and decoupling is accomplished by a coupling nut mounted on the first electrical connector, the coupling nut having a screw thread adapted to receive a screw thread on the second connector. The first electrical connector half includes an annular recess formed about its circumference. A belt member having a plurality of resilient protrusions formed thereon is positioned within the annular groove. A split-ring member having inner and outer circumferences is then positioned about said belt type member in a manner such that ratchet teeth formed on the inner circumference of the split ring can engage the protrusions on said belt member. In one embodiment, the outer circumference of said split-ring member has plurality of apertures formed thereon, the apertures being aligned with apertures formed in the coupling nut. Fastening members positioned through the co-lined apertures join the coupling nut to the split-ring, the split-ring being rotatable with the coupling nut. The fastening members integrally join the coupling nut to the first electrical connector via the split-ring thus preventing the coupling nut from being removed from the electrical connector due to any vibration or other type of disturbance. The serrations on the inner circumference of the split-ring interact with the protrusions to provide an anti-rotation feature such that coupling may be accomplished with less effort whereby a greater resistance is provided to decoupling.

REFERENCES:
patent: 2986720 (1961-05-01), Chess
patent: 3594700 (1971-07-01), Nava et al.
patent: 3644874 (1972-02-01), Hutter
patent: 3786396 (1974-01-01), Kemmer et al.
patent: 4165910 (1979-08-01), Anderson
patent: 4462652 (1984-07-01), Werth et al.

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