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US 5,208,978 AGranted
Method of fabricating an electrical terminal pin
AssigneeMolex Incorporated
InventorsDaniel A. Dixon, Frederick J. Gierut, Joe Lawniczak, Arvind Patel, Michael Primorac
Life of this patent
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Abstract
A method of fabricating a pin tip is provided by a cutting and coining operation which first forms a pin tip which has a generally rounded configuration defining 4 slightly curved convex sides joined at 4 edges converging at a pin end. Thereafter the pin tip is coined again thereby overlapping portions of the conductive plating layer over the sharp edges of the pin tip.
Claims5
A method of fabricating an electrical terminal pin having a pin tip or insertion into a mating electrical female terminal or a hole in a printed circuit board, comprising the steps of:
- providing a pin blank with an electrically conductive core plated with an electrically conductive layer;
- forming a pin tip on at least one end of the terminal pin with a generally rounded pyramidal configuration with four slightly curved convex sides joined at four edges converging at a pin end, with two opposite sides of the pin tip being non-plated and the other two opposite sides of the pin tip being plated with said conductive layer;
- and
- further forming the pin tip such that portions of the conductive layer overlap the edges of the pin tip in a smooth configuration to eliminate any sharpness thereof.
1 more element
Dependencies are inferred from the claim text.