Electrical terminal with lead strain relief means

Details Electrical terminal with lead strain relief means Electrical terminal with lead strain relief means

1994-06-13

1996-08-27

Pirlot, David L.

Electrical connectors

Contact comprising cutter

Insulation cutter

439877, H01R 424

Patent

active

055494838

ABSTRACT:
An electrical terminal comprises a mating portion, a wire connecting portion and a lead strain relief portion. The lead connecting portion comprises insulation slitting edges and indents for penetrating the insulation of an insulated lead to make electrical connection with the metal core of the lead. The lead strain relief portion comprises three ears upstanding from respective sidewalls projecting from opposite edges a base. Each ear is formed with triangular shaped barb projecting inwardly of the strain relief portion and having a sharp edge from which extends an end edge facing the wire connecting portion. The base of the strain relief portion has a quadrangular array of spurs having sharp apices projecting into the strain relief portion. The ears can be crimped about the insulation of the lead when it has been forced into the wire connecting portion so that the barbs and the spurs bite into the insulation of the lead thereby preventing axial movement of the lead away from the wire connecting portion when tension is applied to the lead, so that the electrical connections between the indents and the lead core are unimpaired.

REFERENCES:
patent: 3335392 (1967-08-01), Elliott
patent: 3662089 (1972-05-01), Harding
patent: 3715457 (1973-02-01), Teagno et al.
patent: 4264118 (1981-04-01), Nijman
patent: 5254021 (1993-10-01), Yamamoto et al.

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