Contact-connection unit for a test apparatus for testing printed circuit boards
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United States of America Patent
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Apr 21, 2015
Grant Date -
Jan 26, 2012
app pub date -
Apr 1, 2010
filing date -
Apr 3, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a contacting unit for a test apparatus for testing printed circuit boards. The contacting unit comprises a full grid cassette and an adapter. The full grid cassette is provided with a plurality of spring contact pins arranged in the grid of contact points of a basic grid of a test apparatus. The adapter is provided with test needles for electrically connecting each of the spring contact pins of the full grid cassette to a circuit board test point of a printed circuit board to be tested, the spring contact pins being secured in the full grid cassette against falling out on the side remote from the adapter and the test needles being secured in the adapter on the side remote from the full grid cassette. The adapter and the full grid cassette are releasably joined to each other. In this way, both the spring contact pins and the test needles are secured against falling out of the contacting unit in the assembled state of the adapter and the full grid cassette.
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