Spring contact pin for testing an electrical and/or electronic d

Details Spring contact pin for testing an electrical and/or electronic d Spring contact pin for testing an electrical and/or electronic d

1988-06-10

1990-04-17

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With rotor

324 725, G01K 106

Patent

active

049183842

ABSTRACT:
The spring contact pin contacts electrical or electronic items or devices to be tested for testing purposes. It comprises a sleeve, at least one contact bolt slidable in it and at least two springs which spring load the contact bolt. At least one inner spring is located inside the sleeve guiding the contact bolt slidably. An outer coil spring is positioned on a portion of the shank of the contact bolt extending beyond the sleeve exteriorly so that the spring contact pin can be shortened and the spring travel can be reduced for a given fixed spring force and because of that cost savings may be attained.

REFERENCES:
patent: 4189203 (1980-02-01), Miller
patent: 4504780 (1985-03-01), Marsella
patent: 4528500 (1985-07-01), Lightbody et al.
patent: 4658212 (1987-04-01), Ozawa et al.

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