System for coupling external leads to a multitap transformer

Details System for coupling external leads to a multitap transformer System for coupling external leads to a multitap transformer

1995-12-21

1997-04-08

Kozma, Thomas J.

Inductor devices

With means to change coil length or connections

Series change

336192, H01F 1510, H01F 2112

Patent

active

056191766

ABSTRACT:
A coil assembly for use in an inductive apparatus, is comprised of a conductive material, either copper or aluminum, continuously wound around a circular or rectangular shape. At a predetermined number of turns, a terminal or tap is formed in the conductor. The tap is essentially a bump in the conductor that will protrude from the coil and be accessible to make connections to it after the coil assembly is complete. The insulation of the conductor is removed from the outside edge of the bump to form a point of contact. A C-clamp, formed from spring steel or other conductive material, functions to secure an external conductor having a lug attached to an end of conductor to the formed terminal. A bolt through the lug is secured by a tapered depression in the C-clamp that functions as a nut. The C-clamp includes an extension that provides additional pressure between the point of contact and the lug to make an electrical contact with a portion of the formed tap and the lug. To provide an anti-rotation feature, the C-clamp also has corner ends that are formed downward over the lug.

REFERENCES:
patent: 1852605 (1932-04-01), Carlton et al.
patent: 2421443 (1947-06-01), Torreson

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