Apparatus and method of correcting loss of test contact continui

Details Apparatus and method of correcting loss of test contact continui Apparatus and method of correcting loss of test contact continui

1993-12-09

1995-10-17

Wieder, Kenneth A.

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

324757, 324761, 324754, C01R 3100

Patent

active

054594073

ABSTRACT:
A test fixture operates under the control of a computer to make automatic correction in test contact spacing between the test fixture contact pins and the circuit under test. The computer detects continuity test failures and raises the test fixture to bring the test contact pins into proximity with the leads of the circuit under test. The computer controls rotation of a motor that drives a screw and moves a shaft and wedge assembly in the horizontal direction. A push rod is attached to the test fixture by way of a base plate and angle brackets. The push rod resting on the wedge slide up and down to raise and lower the test fixture.

REFERENCES:
patent: 4047780 (1977-09-01), Cedrom
patent: 4225819 (1980-09-01), Grau et al.
patent: 4471298 (1984-09-01), Frohlich
patent: 4857009 (1989-08-01), Christensen

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