Metal working – Method of mechanical manufacture – Electrical device making
Patent
1980-10-31
1983-02-08
Combs, Ervin M.
Metal working
Method of mechanical manufacture
Electrical device making
29747, 140147, H05K 322, B23P 1900, B21F 102
Patent
active
043720447
ABSTRACT:
First end portions (22c) of terminal pins (22) are gripped in a gripping means (54) on one side of a substrate (24) and intermediate portions (22cs) of the pins then are inserted into the substrate. In the insertion operation, second opposite end portions (22i) of the pins are extended into a straightening means (74) on the opposite side of the substrate (24). Tip portions of the first pin end portions (22c) then are disposed in the gripping means (54) and tip portions of the second pin end portions (22i) are disposed in the straightening means (74). To straighten the pins (22), relative reciprocating movement then is caused between the pin intermediate portions (22cs) and the pin tip portions to flex and coldwork the first and second pin end portions (22c and 22i) in a lateral direction simultaneously.
REFERENCES:
patent: 3580297 (1971-05-01), Spadoni
patent: 3603357 (1971-09-01), Drummond
patent: 3687172 (1972-08-01), Suverkropp
patent: 3700011 (1972-10-01), Walter
patent: 3730234 (1973-05-01), Hesselmann
patent: 3742987 (1973-07-01), Tarbox et al.
patent: 3779291 (1973-12-01), Yeo
patent: 3903937 (1975-09-01), Drummond
patent: 4216580 (1980-08-01), Chisholm
patent: 4219053 (1980-08-01), Tyner et al.
Mass Pin Straightening for Circuit-Pack Backplanes, Chisholm et al., Western Electric Engineer, Fall 1980, pp. 35-40.
Bosben D. D.
Combs Ervin M.
Hoofnagle J. B.
Western Electric Company Inc.
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