Electrical terminal connection and method of making same

Details Electrical terminal connection and method of making same Electrical terminal connection and method of making same

1977-01-18

1978-05-23

McGlynn, Joseph H.

Geometrical instruments

339246, 339266R, 339270R, H01R 1120

Patent

active

040907627

ABSTRACT:
A terminal connection which will accept electrical conductors of various sizes and provides oxide breaking, spring loading, and conductor confining and bundling features. A tab or finger on one of the terminal elements presses the conductor regardless of its size toward the other terminal element, and oxide breaking edges on one of the elements break oxide coatings on the conductor while the tab or finger both confines the conductor and forces it toward a mechanical operator such as a screw. Forcing the conductor toward the screw reduces offset loading and permits additional oxide breaking by scraping the conductor with the screw as the screw is rotated to tighten the terminal. In the case of a stranded conductor, the bundling obtained by forcing the conductor toward the screw assures good interstrand electrical contact, so that the electrical resistance at the connection is not significantly different from the resistance of a corresponding solid conductor. In several embodiments, the tab or finger provides the spring loading or spring follow required to maintain good electrical and mechanical characteristics of the connection. In some embodiments, a struck-out leg provides spring loading and the biting action for oxide breaking.

REFERENCES:
patent: 1363350 (1920-12-01), Recker
patent: 1489835 (1924-04-01), Kietz
patent: 1979091 (1934-10-01), Alsaker et al.
patent: 2304711 (1942-12-01), Shenton
patent: 2712167 (1955-07-01), Blanchard
patent: 3068445 (1962-12-01), Crowther
patent: 3793607 (1974-02-01), Smith et al.

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