Electrical terminal pin

Electrical connectors – Contact terminal – Having treated surface or distinct contact surface layer

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Details

439884, 439887, H01R 1302

Patent

active

051885476

ABSTRACT:
An electrical terminal pin is provided with a pin tip for insertion into a mating electrical female terminal, a hole in a printed circuit board or the like. The pin has an electrically conductive core plated with an electrically conductive layer. The pin tip is formed of a generally rounded pyramidal configuration defining four slightly curved convex sides joined at four edges converging at a pin end. Two opposite sides of the pin tip are non-plated. The other two opposite sides of the pin tip are plated with the conductive layer. Portions of the conductive plating layer overlap the edges of the pin tip in a smooth or rounded configuration to eliminate any sharpness thereof and to provide additional plated areas over the exposed core material. The pin tip is formed by a cutting and coining operation to form the configuration of the tip and to coin the overlapping portions of the conductive plating layer over the sharp edges of the pin tip.

REFERENCES:
patent: 4983134 (1991-01-01), Baldyrou
patent: 5015207 (1991-05-01), Koepke
patent: 5083928 (1992-01-01), Aikens et al.
patent: 5122075 (1992-06-01), Kile
Keith W. Lebo, Connection Technology, "Swaging Instead of Stamping for Contacts", Apr. 1989, pp. 25 and 26.

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