Contact device for the testing of printed circuit boards or the

Details Contact device for the testing of printed circuit boards or the Contact device for the testing of printed circuit boards or the

1989-03-03

1990-05-15

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With rotor

324158F, G01R 106

Patent

active

049261193

ABSTRACT:
A contact device for evaluating electrical or electronic test articles has a plate arrangement having a plurality of parallel plates in which contact needles are inserted with slide-bearing play. Each contact needle is juxtaposed with a spring-loaded electrically conductive countercontact element. The contact needles are each constituted of a straight pin and a tubular sleeve projecting beyond the rear end of the pin and affixed thereto. A rear plate can serve as an abutment for the sleeves and the countercontact elements have tapered ends engaging in the hollows formed by the respective sleeves and electrically contacts the sleeves at the inner edges of the open ends of these sleeves.

REFERENCES:
patent: 4357062 (1982-11-01), Everett
patent: 4535536 (1985-08-01), Wyss
patent: 4721908 (1988-01-01), Driller et al.

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