Translator fixture with force applying blind pins

Details Translator fixture with force applying blind pins Translator fixture with force applying blind pins

1996-02-26

1999-04-27

Karlsen, Ernest F.

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

324754, 324757, G01R 3102

Patent

active

058983147

ABSTRACT:
A translator fixture for a printed circuit board tester has a pattern of test probes on a base upon which the translator fixture is mounted. The translator fixture includes a plurality of essentially parallel and vertically spaced apart rigid translator plates supported in a fixed position in the translator fixture. Selected patterns of holes are aligned in the translator plates for containing and supporting translator pins extending through the translator plates and for positioning the translator pins for contacting test points under pressure on a printed circuit board supported in an essentially horizontal position between the translator plates. The pins translate electrical test signals between the test points on the printed circuit board and the test probes on the base of the tester. The fixture includes a plurality of blind pins positioned in a top plate of the fixture for non-electrically applying a balancing force to the printed circuit board. The blind pins are positioned in blind holes in the top plate adjacent a surface of the printed circuit board at locations where no test points are located and opposite to a surface on the printed circuit board having the translator pins applying pressure to the test points.

REFERENCES:
patent: 4352061 (1982-09-01), Matrone
patent: 4496903 (1985-01-01), Paulinski
patent: 4774462 (1988-09-01), Black
patent: 5157325 (1992-10-01), Murphy
patent: 5493230 (1996-02-01), Swart et al.
patent: 5500606 (1996-03-01), Holmes
patent: 5672978 (1997-09-01), Kimura

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