Importance

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Abstract

A self locking electrical connector assembly includes a connector shell and a coupling nut. The connector shell has a centrally located outwardly projecting annular flange with a plurality of retaining shoulders by which the coupling nut is mounted to the connector shell and allowed to rotate but prevented from substantial axial movement. The coupling nut cavity is defined by a front annular retention shoulder, a back access opening opposite the front retention shoulder, a cylindrical surface between the front shoulder and the access opening, an annular retention groove in the cylindrical surface adjacent the access opening and an annular back facing stop shoulder between the retention groove and the front shoulder. A retaining ring held in the retention groove abuts against a back facing shoulder of the shell's annular flange. A front facing stop shoulder of the annular flange abuts against the back facing stop shoulder of the coupling nut. A front facing shell abutment shoulder abuts against the end of a mating shell. A wave spring is positioned in the cavity between the front retention shoulder and the annular flange to press a plurality of dimples in a clutch plate into the plurality of grooves in a front facing ratchet surface located about the annular flange to hinder loosening rotation of the coupling nut.

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First Claim