Four terminal safety resistor

Details Four terminal safety resistor Four terminal safety resistor

1990-10-23

1992-12-01

Lateef, Marvin M.

Electrical resistors

With terminal

338325, H01C 114

Patent

active

051682575

ABSTRACT:
A 4-terminal resistor apparatus which includes a body of resistive material having opposed first and second ends and opposite first and second sides. The distance between the opposed ends is no greater than the distance minimum width of the body intermediate opposed ends. Preferably, the width is 3 or 4 times greater than the distance intermediate the opposed ends. The first and second ends have respective first and second metal contact surfaces disposed thereon. The first and second pairs of leads each include first and second leads, each pair of leads engages one of the metal contact surfaces. The apparatus also includes means for holding the leads in each of the pairs of leads apart even if one of the leads in a given pair should become detached from the body of resistive material. In many forms of the invention the body is disc shaped.

REFERENCES:
patent: 3959763 (1976-05-01), Sibley et al.
patent: 4355293 (1982-10-01), Driscoll

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