Process of isolating bonding material on a terminal plate

Details Process of isolating bonding material on a terminal plate Process of isolating bonding material on a terminal plate

1976-05-03

1977-07-12

Combs, E. M.

Metal working

Method of mechanical manufacture

Electrical device making

72 47, 113119, B21D 5336

Patent

active

040344711

ABSTRACT:
A circuit component having a solder connection and screw-clamp terminal connection is formed from brass, solder-coated coiled stock with a portion of the brass exposed to separate the solder connection from the area of the screw connection in order to block the molten solder from migrating into the screw connection. The screw connection is cold-formed with radially-oriented, inwardly-sloping projections or fins arranged around a central threaded opening to engage the tines of a terminal lug as it is screw-clamped in place. The radial projections or fins, by being cold-formed, are work-hardened and bite into the U-shaped tines of the terminal lug as the screw is tightened. This prevents the terminal lug from turning as the screw descends and clamps the terminal in place. The inward slope of the projections or fins cams the tines of the terminal lug towards the screw threads, thus preventing the tines from splaying outwardly.

REFERENCES:
patent: 1931311 (1933-10-01), Young
patent: 2159325 (1939-05-01), Fabrice
patent: 3065442 (1962-11-01), Hubbell et al.
patent: 3075487 (1963-01-01), Appleton
patent: 3339008 (1967-08-01), MacArthur et al.
patent: 3422320 (1969-01-01), Woodling
patent: 3599326 (1971-08-01), DiRenzo
patent: 3823464 (1974-07-01), Chartet

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