Process for producing electrical contacts for facilitating mass

Details Process for producing electrical contacts for facilitating mass Process for producing electrical contacts for facilitating mass

1986-02-21

1987-12-15

Goldberg, Howard N.

Metal working

Method of mechanical manufacture

Electrical device making

439816, 439885, 439874, H01R 4304

Patent

active

047122994

ABSTRACT:
A plurality of contacts are stamped out of flat sheet metal stock simultaneously with blank forming female rectangular contact boxes initially flat, with a male contact extending therefrom, and with each box material blank joined to a common carrier strip extending longitudinally of the contact array. The flat box material blanks are initially equal to or slightly less than a fraction of the distance D between uniformly spaced holes within the holder. While maintaining the contacts linked to the carrier strip, the lateral side edges of the box material blanks are bent up and swaged to thin the box material portions and laterally expand those portions, widthwise, in excess of D. Subsequently, the box material portions are coined with opposite sides bent into complete rectangular box form of standard size, with the ends of the box facing and abutting, allowing a complete series of formed, standard box contacts, via the male contact parts, and while linked to the carrier strip, to be simultaneously mounted to respective ones of said holder holes.

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