Importance

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Abstract

The plug shell and receptacle of an electrical connector have registration keys and keyways that are alignable in a single rotational position. A coupling ring mounted for rotation on a plug shell has a mating set of keys and keyways that must be aligned with the registration elements of the plug shell and receptacle for insertion of the receptacle into the plug shell. After such insertion has been accomplished, the coupling ring is rotated to further draw the receptacle and plug shell together and to prevent axial separation of the plug shell and receptacle. In order to positively prevent precocking of the coupling ring prior to insertion of the receptacle into the plug shell, a locking finger is resiliently pivoted to the plug shell, having one part entering a locking recess of the coupling ring and a second part entering the plug shell bore into which the receptacle is to be inserted. Insertion of the receptacle into the plug shell bore swings the locking finger out of the coupling ring locking recess to enable rotation of the coupling ring only after partial insertion of the receptacle into the plug shell bore.

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First Claim